Timetable
Day 1 / April 23rd (Thu.) Timetable
Day 2 / April 24th (Fri.) Timetable
Day 3 / April 25th (Sat.)

Program

Honorary Member Award Lecture(HL)

April 23rd (Thu.) 10:00-10:30 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Masato Nagino(Daido Hosp)
Lessons learned in major hepatectomy for perihilar cholangiocarcinoma
Thomas van Gulik(Amsterdam Univ Medical Center, The Netherlands)

Society of University Surgeons Presidential Lecture(SUS)

April 24th (Fri.) 9:00-9:30 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Yoshiki Sawa(The Univ of Osaka/Osaka Keisatsu Hosp)
Trileaflet aortic valve neocuspidization(Ozaki procedure)for treatment of aortic valve diseases
Danny Chu(Univ of Pittsburgh School of Medicine, USA)

The College of Surgeons of East and Central and Southern Africa Presidential Lecture(COSECSA)

April 24th (Fri.) 9:30-10:00 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Masaki Mori(Tokai Univ)
Advancing surgical education across Africa
Laston Chikoya(College of Surgeons for East Central and Southern Africa(COSECSA), Zambia)

American College of Surgeons Presidential Lecture(ACS)

April 23rd (Thu.) 9:30-10:00 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Norihiro Kokudo(Japan Institute for Health Security)
Verification of hospital surgical quality and its improvement
Anton N. Sidawy(President, American College of Surgeons, USA)

Association of Surgeons of India Presidential Lecture(ASI)

April 24th (Fri.) 10:00-10:30 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Shinji Uemoto(Shiga Univ of Medical Science)
Sugical education in India East meets West
Maruthu Pandian Dhevendran(Association of Surgeons of India, India)

Korean Surgical Society Presidential Lecture(KSS)

April 23rd (Thu.) 13:30-14:00 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Masaru Miyazaki(International Univ of Health and Welfare Mita Hosp)
Co-creating surgical excellence:Korean surgical society's journey in training and quality improvement, and collaboration with Japan Surgical Society
Hee Chul Yu(Jeonbuk National Univ Medical School (Korea), Republic of Korea)

Taiwan Surgical Association Presidential Lecture(TSA)

April 23rd (Thu.) 13:00-13:30 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Takao Ohki(Dept of Surgery, The Jikei Univ School of Medicine)
HTK solution in heart transplantation clinical advantages and application strategies
Chien-Sung Tsai(President, Taiwan Surgical Association/Professor, College of Medicine, National Defense Medical Univ, Taiwan)

Italian Society of Surgery (Società Italiana di Chirurgia) Special Lecture(SIC)

April 24th (Fri.) 10:30-11:00 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Hiroyuki Kuwano(Okagaki Hosp)
Bariatric surgery and gastroesophageal reflux disease:Current evidence and clinical perspectives
Ludovico Docimo(Univ of Campania "L. Vanvitelli", Italy)

International Lecture(IL)

April 23rd (Thu.) 14:00-14:20 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Hiroki Yamaue(Pancreatic Cancer Center, Shonan Kamakura General Hosp)
Robotic pancreatic surgery in the multi-platform era:Perspectives from 1,300 pancreatic resections including consecutive 1,000 PD
Jin-Young Jang(Seoul National Univ Hosp, Republic of Korea)

JSS-TSA Topic conference(JT)

Surgical Training in the New Era:Balancing Work-Life and Skill Acquisition
April 23rd (Thu.) 8:30-9:30 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Po-Huang Lee(National Taiwan Univ Hosp, Taiwan)
Chairperson:Yoshizumi Tomoharu(Department of Surgery and Science, Kyushu University)

JT-1 Training in colorectal surgery in the era of advanced surgical technology

Ishihara Soichiro(Department of Surgical Oncology and Vascular Surgery, The University of Tokyo)

JT-2 Trends among young cardiovascular surgeons in the current era of work style reform

Saiki Yoshikatsu(Div of Cardiovascular Surgery, Tohoku Univ)

JT-3 Surgical training in the new era:Balancing work-life and skill acquisition

Chi-Chuan Yeh(National Taiwan Univ Hosp, Taiwan)

JT-4 Surgery beyond resection:A surgeon-led model integrating robotic surgery and ERAS for value-based colorectal cancer care

Jaw-Yuan Wang(Dept of Surgery, Kaohsiung Medical Univ Chung-Ho Memorial Hosp, Taiwan)

Video Lecture(VL)

Video Lecture-1(VL-01)

April 23rd (Thu.) 9:30-10:00 Room 11 (Grand Mercure Sapporo Odori Park, 1F, Castle)
Chairperson:Okumura Meinoshin(Tomigaoka Rehabilitation Hospital)
The hemi-clamshell approach for advanced malignant mediastinal tumors
Yasushi Shintani(Dept of General Thoracic Surgery, the University of Osaka)

Video Lecture-2(VL-02)

April 24th (Fri.) 13:40-14:10 Room 13 (Sapporo Community Plaza, 2F, SCARTS STUDIO)
Chairperson:Kokudo Norihiro(Japan Institute for Health Security/National Center for Global Health and Medicine)
Liver resection with major hepatic vein and/or inferior vena cava reconstruction
Kiyoshi Hasegawa(Hepato-Biliary-Pancreatic Surgery Division, The Univ of Tokyo)

Video Lecture-3(VL-03)

April 25th (Sat.) 13:50-14:20 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Ueda Toshihiko(Shin-Yurigaoka Station Clinic)
Total Aortic Arch Replacement (TAR-FET) Using an Integrated Frozen Elephant Trunk Device
Hideyuki Shimizu(Department of Cardiovascular Surgery, Keio University)

Video Lecture-4(VL-04)

April 25th (Sat.) 13:50-14:20 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Okuyama Hiroomi(Dept of Pediatric Surgery, Tottori Univ)
Anterior–Posterior Cricoid Split with Long-term T-tube Stenting for Pediatric Subglottic Stenosis: Surgical Concept and Technical Considerations
Yuko Bitoh(Div of Pediatr Surgery, Dept of Surgery, Kobe Univ)

Video Lecture-5(VL-05)

April 25th (Sat.) 13:50-14:20 Room 10 (Grand Mercure Sapporo Odori Park, 3F, Ball Room C)
Chairperson:Seto Yasuyuki(National Cancer Center Hospital)
Strategies and Techniques of Robot-Assisted Esophagectomy for Challenging Esophageal Cancer Cases
Takashi Kamei(Dept of Surgery, Tohoku Univ)

126th Special Program(126SP)

126th Special Program-1(126SP-01)

The Role and Future of the Annual Congress of Japan Surgical Society: Perspectives from Surgical Subspecialty Societies
April 23rd (Thu.) 15:10-17:10 Room 1 (Sapporo Community Plaza, 5, 6F, hitaru)
Chairperson:Taketomi Akinobu(Dept of Gastroenterological Surgery 1, Hokkaido University)
Chairperson:Imoto Shigeru(Dept of Breast Surgery, Kawasaki Municipal Kawasaki Hospital)

126SP-01-1 Recommendations for Surgical Societies in an Era of Ultra-specialization

Yoshihiro Shono(Dept of Surgery, Tohoku Univ)

126SP-01-2 Benefits and Burdens of Academic-Society Activities among Japanese Gastrointestinal Surgeons: Survey toward Sustainable Scientific Meetings

Naoki Hiki(Kitasato University School of Medicine Department of Upper Gastrointestinal Surgery)

126SP-01-3 Redefining the Mission of the Japan Surgical Society Annual Meeting in the Era of Mature Subspecialty Societies

Shinichi Toyooka(Dept.General Thoracic Surgery and Breast and Endocrinological Surgery)

126SP-01-4 The Value and significance of participation in the Annual Congress of the Japan Surgical Society for subspecialty pediatric surgeons

Ieiri Satoshi(The Japanese Society of Pediatric Surgeons)

126SP-01-5 Toward synergistic coexistence of core and subspecialty surgical societies

Saiki Yoshikatsu(Div of Cardiovascular Surgery, Tohoku Univ)

126SP-01-6 Envisioning the future of surgery via subspecialties: Lessons in diversity and advancement from the Japanese Breast Cancer Society

Masato Takahashi(Department of Breast Surgery, Hokkaido University Hospital)

126SP-01-7 Reconceptualizing the Annual Congress of the Japan Surgical Society from the Perspective of Endocrine Surgeons

Hidemitsu Tsutsui(Dept of Thoracic and Thyroid Surgery, Tokyo Medical University)

126th Special Program-2(126SP-02)

Regional Surgical Care: Present Realities and Future Prospects
April 24th (Fri.) 13:40-15:40 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:HARA HISATO(Tsukuba Central Hospital)
Chairperson:AZUMA Nobuyoshi (Department of Surgery, Asahikawa Medical University)

126SP-02-1 Strategies for Maintaining Surgical Services in Local Communities

YASUHIRO NISHIJIMA(Rigional Healthcare Planning Division, Health Policy Bureau, Ministy of Health, Labour and Welfare)

126SP-02-2 Collaborative Initiatives between Government and Academia for Securing and Fostering Surgeons —Toward a Sustainable Surgical Care Model Grounded in Regional Healthcare Planning—

Shohei Komatsu(Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University)

126SP-02-3 Developing the new method for evaluate surgical burden with person-time adjusted surgical volume

Shima Asano(Kyoto University Center for Health Security, Department of Health Security System)

126SP-02-4 Impact of Japan’s Work Style Reform on Surgeons’ Work Hours and Patient Outcomes: An Interrupted Time Series Analysis at a Regional Hospital

Takuto Yoshida(Dept of Surgery, Iwamizawa Municipal General Hospital)

126SP-02-5 Current regional differences of surgical centralisation in regional surgery: Report from MHLW research project ‘Equalisation and centralisation of cancer treatment provision systems’

Takaaki Konishi(Div of Health Services Research, National Cancer Center Institute for Cancer Control & Dept of Breast and Endocrine Surgery, Tokyo Univ)

126SP-02-6 Emergency Surgical Care by an Acute Care Surgery Team under Work Style Reform: Case Accumulation Trends during Nights and Holidays

DAISUKE FUJIHIRA(Yokohama City University Department of Emergency Medicine)

126SP-02-7 Visualization of the Current Status and Future of Regional Surgical Care Using the National Database — Toward Data-Driven Dialogue and Consensus-Building —

Kazutaka Takahashi(Medical Function Enhancement Promotion Div, Health and Welfare Bureau, Hiroshima Pref Gov)

126SP-02-8 The role of local pediatric surgeons: Practicing collaboration through multidisciplinary collaboration, regional collaboration, and telemedicine

Kazuya Ise(Dept of Pediatric Surgery, Yamagata Prefectural Central Hospital)

126SP-02-9 Impact of Scopist Task Shifting in Laparoscopic Cholecystectomy: Balancing Surgical Quality and Safety with Work Style Reform for Surgeons in a Regional Core Hospital

Kenji Nakagawa(Dept of Surgery, Yamato Takada Municipal Hospital)

126th Special Program-3(126SP-03)

Kampo across surgical fields: Better clues for decision-making
April 24th (Fri.) 13:40-15:40 Room 11 (Grand Mercure Sapporo Odori Park, 1F, Castle)
Chairperson:Shimada Mitsuo(Tokushima University)
Chairperson:Doki Yuichiro(Osaka General Medical Center)
Special Remarks:Hanazaki Kazuhiro(Kochi Medical School Hospital, Kochi University)

126SP-03-1 New frontier of KAMPO medicine in surgery

SUSUMU EGUCHI(Dept of Surgery, Nagasaki Univ)

126SP-03-2 Kampo medicine in the field of cardiovascular surgery

Hata Hiroki(Dept of Cardiovascular Surgery, Tokushima Univ)

126SP-03-3 The Role of Kampo Medicine in the Perioperative Management of Thoracic Surgery

Yugo Tanaka(Div. of General Thoracic Surgery, Tottori University Hospital)

126SP-03-4

Akifumi Suzuki(Dept of Surgery, Ito Hosp)

126SP-03-5 Potential of Kampo Medicine as a Strategy for Malnutrition, Cachexia, and Frailty Associated with Gastrointestinal Malignancies

Yoshinaga Okugawa(Dept of Genomic Med, Mie Univ)

126SP-03-6 The Usefulness of Kampo Medicine in Managing Side Effects Associated with Breast Cancer Endocrine Therapy —Focusing on Outcomes Including Symptoms, Quality of Life, and Work Productivity—

Shin Takayama(Department of Education and Support for Regional Medicine)

126SP-03-7 Practical Use of Kampo Medicine in Pediatric Surgery: Lessons from Intestinal Failure and Nutrition Support Team Activities

Shuichiro Uehara(Dept of Pediatric Surgery, Nihon Univ)

126th Special Program-4(126SP-04)

The Future of Surgery I: The Expanding Role and Ultimate Reach of Robot-Assisted Surgery
April 25th (Sat.) 8:00-10:00 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Uyama ichiro(Advanced Robotic and Endoscopic Surgery, Fujita Helth University)
Chairperson:Ikeda Norihiko (Department of Surgery, Tokyo Medical University)
Special Remarks:Maeda Kotaro(Ome imai Hosp)

126SP-04-1 Defining the Value of Robotic Surgery in Cancer Care: Safe Implementation and Innovation at MD Anderson Cancer Center

Naruhiko Ikoma(The University of Texas MD Anderson Cancer Center)

126SP-04-2 Exploring “Greening Robotic Surgery” to Further Promote the Adoption of Robotic Surgery

Keita Sato(Dept of Surgery, Ise Red Cross Hospital)

126SP-04-3 Advances in Robotic Esophageal Surgery: Introduction and Future Perspectives of Multi-Approach RAMIE

Kazuma Sato(National Cancer Center Hospital East Esophageal Surgery)

126SP-04-4 Economic Challenges and Future Outlook of Robot-Assisted Thoracic Surgery

Kenta Tane(Depatmetnt of Thoracic Surgery, National Cancer Center Hospital East)

126SP-04-5 Value creation in robotic-assisted surgery through liver resection: our institutional experience in education, management, and dissemination

Masayuki Kojima(Department of Surgery, Fujita Health University)

126SP-04-6 Comparison of economic costs and short-term outcomes between robotic and laparoscopic surgery for colorectal cancer.

Takuji Kagiya(Dept of Gastrointestinal Surgery, Tsugaru General Hopital)

126th Special Program-5(126SP-05)

The Future of Surgery II: The Emerging Integration of Surgical Navigation, Artificial Intelligence, and Extended Reality
April 25th (Sat.) 10:10-12:10 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Doki Yuichiro(Osaka General Medical Center)
Chairperson:Kamei Takashi(Department of Gastrointestinal Surgery, Tohoku University Graduate School of Medicine)
Special Remarks:Hashizume Makoto(Nishinippon College of Nursing and Medical Care)

126SP-05-1 Advancing intraoperative navigation in breast cancer surgery through medical engineering and AI: Clinical application and future prospects of the Click-to-SENSE method with AI-based margin assessment

Tomonori Tanei(Dept of Breast and Endocrine Surgery, Osaka University)

126SP-05-2 Intraoperative Navigation Support Using an Ultra-Low-Cost, Life-Sized 3D Pulmonary Vessel Model: A New Development in Dual Port RATS

Toshihiro Ojima(Dept of Thoracic Surgery, Univ of Toyama)

126SP-05-3 Intraoperative Support System Integrating Extended Reality (XR) and Artificial Intelligence (AI) in Thoracic Surgery

Shinya Tane(Division of Thoracic Surgery, Kobe University Graduate School of Medicine)

126SP-05-4 Intraoperative Navigation Using Cone-Beam CT in General Thoracic Surgery

sung soo chang(Dept of General Thoracic Surgery, Kochi Health Sciences Center)

126SP-05-5 Pediatric Endosurgery as Children’s Future Vision: Can Image-Guided, Ultimate Function-Preserving Procedure Promise a 100-Year Life?

Nanako Nishida(Dept of Pediatric Surgery, Kagoshima Univ)

126SP-05-6 Potential of Improved Minimally Invasive Hepatopancreatobiliary Navigation Using AI-Based Auto-Synchronization and AR Ultrasound Overlay

Takeshi Takamoto(Hepato-biliary-Pancreatic Surgery Division and Artificial Organ and Transplantation Division)

126SP-05-7 AI ＆ passthrough XR headset generated surgical navigation for open, laparoscopic, and robotic HPB Surgery

Maki Sugimoto(Teikyo University Okinaga Research Institute)

126SP-05-8 From a Rigid 3-D Reference to an AI-Powered Real-Time Deformable Model: Revolution of Minimally Invasive Hepatectomy Navigation

Satoshi Ogiso(Department of Surgery, Graduate School of Medicine, Kyoto University)

126SP-05-9 Development of a Novel Hepatic Surgery Navigation System Using Projection Mapping: Toward Real-Time Visualization of Vascular Structures

Katsuro Enomoto(Division of Hepato-Biliary-Pancreatic and Transplant Surgery, Dept of Surgery, Asahikawa Medical Univ)

126SP-05-10 Towards automated surgical records using AI-assisted conversion of surgical videos into textual records

Teijiro Hirashita(Dept of Gastroenterological and Pediatric Surgery, Oita Univ)

126th Special Program-6(126SP-06)

What Makes Surgery Truly Compelling? A Candid Dialogue Between Young Surgeons and Medical Students Across Specialties
April 25th (Sat.) 13:50-15:50 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Unno Michiaki(Department of Gastrointestinal Surgery, Tohoku University)
Chairperson:Ohki Takao(Department of Surgery, The Jikei University School of Medicine)
Discussant:Kizawa Kurumi(Dept of Surgery, Shonan Kamakura General Hospital)
Discussant:Yoshida Yuto(Dept of Surgery, Shonan Kamakura General Hospital)

126SP-06-1 Building an Attractive Surgical Discipline: Insights from Medical Students’ Perceptions and Career Preferences

Ayako Shimada(Department of Hepato-Biliary-Pancreatic and Gastrointestinal Surgery, IUHW Narita Hospital)

126SP-06-2 Unchanging Appeal and Changing Values in Surgery: Generational Commonalities and Differences from a Survey of 150 Students and Surgeons

Motochika Hamanaka(Department of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe University Graduate School of Medicine)

126SP-06-3 What can we do to encourage medical students to choose Gastrointestinal Surgery? Exploring negative perceptions and improvement strategies based on a survey of junior residents.

Yu Kageyama(Dept of Surgery, Kyoto City Hospital)

126SP-06-4 Conveying the true appeal of surgery through authentic education: A novel recruitment approach utilizing the undergraduate research assignment program

Kota Momose(Dept of Gastroenterological Surgery, The Univ of Osaka)

126SP-06-5 Decide your own future, create your ideal future with a team - Attraction of Breast Surgery and MIRAY1's activities.

Tomomi Kon(Department of Breast and Endocrine Surgical Oncology, Tohoku University School of Medicine/Japanese Breast Cancer Society MIRAY1)

126SP-06-6 Rethinking the Appeal and Future of Hepatobiliary Pancreatic Surgery and Transplant Surgery Based on Discussions with Medical Students at Various Stages

Hiroto Nishino(Dept of Surgery, Kyoto Univ)

126SP-06-7 Exploring Careers and Lifestyles as a Cardiac Surgeon: Visualizing Young Professionals' Voices to Envision the Future

Toshihiko Nishi(Dept of Cardiac Surgery, Toyota Memorial Hospital)

126SP-06-8 Career and appeal of breast surgery from the perspective of a female surgeon

Rurirna Watanuki(Department of Breast Surgery, National Cancer Center Hospital East)

126th Special Program-7(126SP-07)

ERAS in Japan Today and Beyond
April 25th (Sat.) 10:10-12:10 Room 11 (Grand Mercure Sapporo Odori Park, 1F, Castle)
Chairperson:Takaori Kyoichi(Department of Surgery, Nagahama City Hospital )
Chairperson:Hiki Naoki(Department of Upper Gastrointestinal Surgery, Kitasato University School of Medicine)
Special Remarks:Ohyanagi Harumasa(Former President of the Japanese Society for Parenteral and Enteral Nutrition Therapy / Professor Emeritus, Kindai University)

126SP-07-1 How to make ERAS successful today and beyond

Olle Ljungqvist(Örebro Univ ＆ Karolinska Institutet, SWEDEN)

126SP-07-2 ERAS® in Japan: Nutritional and Multidisciplinary Perspectives

Daisuke Ichikawa(1st Dept of Surgery, Univ of Yamanashi)

126SP-07-3 Considering the future of ERAS for cancer patients in Japan

Yoshihiro Nabeya(Div of Esophago-Gastrointestinal Surgery, Chiba Cancer Center / Chiba Foundation for Health Promotion & Disease Prevention)

126SP-07-4

Sobue Kazuya

Special Program(SP)

Special Program-1(SP-01)

Redefining the Surgical Board Certification System: Perspectives from the Surgical Subspecialties
April 23rd (Thu.) 8:30-10:30 Room 1 (Sapporo Community Plaza, 5, 6F, hitaru)
Chairperson:Okuyama Hiroomi(Dept of Pediatric Surgery, Tottori Univ)
Chairperson:Eguchi Hidetoshi(Dept of Gastroenterological Surgery, The University of Osaka)
Commentator:Kitagawa Yuko(Executive Vice-President and Trustee, Keio University)

SP-01-1 Principles and Strategical Response to Characters of Surgeon in New Medical Specialty System in Japan

Tsuyoshi Watanabe(Japanese Medical Specialty Board)

SP-01-2 Evolving Challenges in Surgical Board Certification: A Thoracic Surgery Perspective

Yasushi Shintani(Dept of General Thoracic Surgery, Osaka Univ)

SP-01-3 The Importance of Collaboration Between Pediatric Surgery and General Surgery Certification Systems in the Era of Declining Birthrates

Tetsuya Ishimaru(Board Certification Committee, The Japanese Society of Pediatric Surgeons)

SP-01-4 Flexible Reform of the Japanese Board-Certified Surgery System to Address the Decline of Surgeons

Toshimasa Yatsuoka(Dept of General Medicine, Tokyo Women's Medical Univ)

SP-01-5 Ideal Framework for Surgical Specialty Certification: Upholding the Integrity of the Cardiovascular Surgery Board Certification System

Kenji Okada(Division of Cardiovascular Surgery, Kobe Univ)

SP-01-6 Current Status and Challenges of the Breast Surgery Specialist Certification System

Eriko Tokunaga(Japanese Breast Cancer Society)

SP-01-7 What should the surgical specialist system be like from the perspective of an endocrine surgeon?

Hisato Hara(Department of Endocrine Surgery, Tsukuba Central Hospital)

Special Program-2(SP-02)

In Pursuit of Excellence in Surgical Education: Defining the Ideal Paradigm of Operative Training
April 23rd (Thu.) 15:10-17:10 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Kodera Yasuhiro(NHO Nagoya Medical Center)
Chairperson:Shimizu Hideyuki(Department of Cardiovascular Surgery, School of Medicine Keio University)

SP-02-1 Usefulness of suture practice Using “goldfish scooping” paper frame and automated scoring app e-Suture for promoting self-study by junior residents

Mamoru Arakawa(Deprt of Cardiovascular Surgery, Jichi Medical University)

SP-02-2 Development and Implementation of a Stepwise Training Program for Pediatric Laparoscopic Surgery

Juma Obayashi(Dept of Pediatric Surgery, St. Marianna Univ School of Medicine)

SP-02-3 Training Program for Thoracic Surgery Residents at Our Institute: Current Status, Challenges, and Nationwide Implications

Kazuhisa Tanaka(Department of General Thoracic Surgery, Chiba University)

SP-02-4 Examination of the usefulness of "intraoperative real-time PowerPoint education" in our department.

Nobuyuki Sakurazawa(Dept of Gastroenterological surgery, Nippon Medical School Hospital)

SP-02-5 A Slow-Motion Approach to Teaching Dynamic Observation: Robotic Surgical Education to Foster Young Surgeons Who Converse With Tissues

Yushi Yamakawa(Dept of Gastroenterological Surgery, Nagoya City Univ Graduate School of Medical Sciences)

SP-02-6 Application of a Digital Operative Record Framework to Maximize the Learning Cycle in Hepatobiliary and Pancreatic Surgery

Yuki Mizusawa(Jichi Medical University Saitama Medical Center)

SP-02-7 Surgical training method based on a multi-organ educational program and feedback using visual surgical records

Hiroshi Okabe(Department of Gastroenterological Surgery, New Tokyo Hospital)

SP-02-8 The Utility of Surgical Education Methods Based on Adult Learning Theories in the Re-lecture Needs Assessment Survey of the Surgical Teaching Certification Course (Japanese Surgeons as Educators)

Akihiko Oshita(Dept of Surgery, Onomichi General Hospital)

Special Program-3(SP-03)

Safeguarding Surgical Care in the Elderly: Strategies for Ensuring Safety in an Aging Society
April 23rd (Thu.) 8:30-10:30 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:Shirabe Ken(Department of General Surgical Science, Gunma University)
Chairperson:Minatoya Kenji(Department of Cardiovascular Surgery, Kyoto University)
Commentator:Endo Itaru(Department of Gastrointestinal and Oncological Surgery, Yokohama CIty University Graduate School of Medicine)

SP-03-1 How Accurate Is the Surgeon’s “Clinical Impression” in Assessing Fitness for Surgery?

Tatsuya Tanaka(Nagoya City University East Medical Center Gastroenterological Surgery)

SP-03-2 Surgical outcome and impact of comprehensive geriatric assessment in octogenarians with pancreatic cancer

Motokazu Sugimoto(Dept of Hepatobiliary and Pancreatic Surgery, National Cancer Center Hospital East)

SP-03-3 The significance of grip strength and frailty assessment in elderly patients undergoing hepato-biliary-pancreatic surgery: Perioperative management based on prediction of postoperative loss of independence

Mariko Tsukagoshi(Division of Hepatobiliary and Pancreatic Surgery, Dept of General Surgical Science, Gunma Univ)

SP-03-4 Clinical Frailty Scale Assessment Incorporating Physical Load Evaluation in Elderly Patients Undergoing Lung Resection

Noriyoshi Sawabata(Dept Thoracic Surgery Kawanishi City Medical Center)

SP-03-5 A Study on the Safety of Pancreaticoduodenectomy for Elderly Patients with Pancreatic Diseases in Collaboration with the Department of Rehabilitation

Koji Imai(Div of HBP and Transplant Surgery, Dept of Surgery, Asahikawa Medical Univ)

SP-03-6 Could Multidisciplinary Preoperative Interventions Improve Perioperative Outcomes in Elderly Patients Undergoing Cardiac Surgery?

Yuichiro Kishimoto(Dept of Cardiovascular Surgery, Tottori Univ)

SP-03-7 Implementation of Comprehensive Geriatric Assessment and Its Impact on Treatment Strategies and Outcomes in Older Patients with Gastrointestinal Cancer

Masahiko Sugiyama(Gastroenterological Surgery, NHO Kyushu Cancer Center)

SP-03-8 Perioperative management in primary lung cancer surgery for octogenarians: impact of multidisciplinary perioperative support

Shinsuke Saisho(Dept of General Thoracic Surgery, Kawasaki Medical School)

SP-03-9 Preoperative geriatric assessment–guided management improves surgical outcomes in elderly patients undergoing lung resection

Konno Hayato(Division of General Thoracic Surgery, Shizuoka Cancer Center)

SP-03-10 Enhancing Perioperative Safety in Elderly Lung Cancer Patients through Regional Medical Collaboration and Physical & Psychological Prehabilitation: The RING(Regional Integrated Network for Goals) Project

HIROFUMI UEHARA(Dept of Thoracic Surgery, Hakodate Goryoukaku Hospital)

Special Program-4(SP-04)

Exploring Equity in Surgical Practice in the Era of Gender Collaboration
April 24th (Fri.) 15:50-17:50 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Yuko Bitoh(Dept of Pediatric Surgery, Kobe Univ Graduate School of Medicine)
Chairperson:Satoru Wakasa(Dept of Cardiovascular Surgery, Hokkaido Univ)
Commentator:Hideko Yamauchi(Dept of Surgery Univ of Hawai'i John A. Burns School of Medicine)

SP-04-1 Advancing gender equity in abdominal surgery through flexible workforce models

Mario Helmut Mueller(Dept of Surgery, Vivantes Klinikum Neukoelln, Berlin, Germany)

SP-04-2 Medical Students’ Career Aspirations and Gender Equity in Surgery

Nao Hondo(Dept of Gastroenterological, Hepato-Biliary-Pancreatic, Transplantation and Pediatric Surgery, Shinshu Univ)

SP-04-3 Equity in Career Formation and Working Conditions of Surgeons: A Cross-sectional Survey

Naoko Ose(Dept of General Thoracic Surgery, The Univ. of Osaka)

SP-04-4 Work style reform for equity in Hepato-Biliary-Pancreatic and Transplant Surgery

Takehiro Chiyoda(Hepato-Biliary-Pancreatic Surgery Division, Artificial Organ and Transplantation Division, Department of Surgery, Graduate School of Medicine, The University of Tokyo)

SP-04-5 Fairness in the Work-Life Balance of Male and Female Surgeons: A Study of Life Events and Career Continuity at the Hiroshima Clinical Oncology Surgical Group(HiSCO)

Megumi Yamaguchi(Dept of Gastroenterological Surgery, NHO Higashihiroshima Medical Center)

SP-04-6 Survey of Gastrointestinal Surgeons: Perceived Inequities and the Future of Organizational Equity

YUKAKO MOKUTANI(Department of Gastroenterological Surgery, Higashiosaka City Medical Center)

SP-04-7 Robotic-assisted surgery advancing equity

Fumi Hasegawa(Dept of Surgery, JA Toride medical center)

Special Program-5(SP-05)

Task Shifting in Surgery: Evaluating the Extent of Its Implementation and Future Potential
April 24th (Fri.) 13:40-15:40 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Baba Hideo(The Chemo-sero-therapeutic Research Institute)
Chairperson:Kakeji Yoshihiro(Division of Gastrointestinal Surgery, Kobe University Graduate School of Medicine)

SP-05-1 Can Japanese surgeon work like American surgeon by significant task shift?

Yo Kawagchi(Dept of Surgery, Division of General Thoracic Surgery, Shiga Univ of Medical Science)

SP-05-2 Our efforts toward task shifting in the department of Surgery at our hospital

IKUO WATANOBE(Dept of General Surgery, Juntendo University Nerima Hospital)

SP-05-3 Task Sharing between Cardiovascular Surgeon and Nurse Practitioners in Japan: Current Status and Issues

Yuika Kameda(Cardiovascular Center, Ota Memorial Hospital)

SP-05-4 The Role of Nurse Practitioners (NP) at Our Hospital and the Effects of Task Shifting -Focusing on Cardiac Surgery-

Shinichi Tanida(Dept of Nurse Practitioners Fujita Health Univ Hosp)

SP-05-5 Training of Clinical Engineers (CE) as Scopists Using AI Surgical Support Systems (EUREKAα) and Its Effects

Kazuhito Mita(Tsudanuma Central General Hospital, Department of Surgery)

SP-05-6 The Optimal Solution for Task Shifting: Leveraging Digital Labor

Sumiharu Yamamoto(Dept of Surgery, Okayama City Hospital)

Special Program-6(SP-06)

Reimbursement for Surgical Care: Adequacy, Value, and Future Directions
April 24th (Fri.) 9:00-11:00 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:Iwanaka Tadashi(Saitama Prefectural Hospital Organization )
Chairperson:Yoshino Ichiro(Department of Thoracic Surgery, International University of Health and Welfare)

SP-06-1 The Reasonableness of Medical Fee Reimbursement for Surgical Care — From the view of Japanese Health Insurance Federation for Surgery (JHIFS)

Yasuyuki Seto (National Cancer Center Hospital)

SP-06-2 Evolution and future challenges of surgical care evaluation in Japan’s medical fee schedule — Attracting young physicians to surgery and ensuring sustainable care delivery —

Shuichiro Hayashi(Medical Economics Div., Health Insurance Bureau, Ministry of Health, Labour and Welfare)

SP-06-3 Approaches to the Medical Fee System within Diversifying Healthcare Structures: An Approach from Team-Based Care Transcending Specialties and Professions

Katsuhiko Imai(Department of Cardiovascular Surgery, NHO Kure Medical Center)

SP-06-4 Cost Structure of Anatomical Lung Resection from the Perspective of the Reimbursement System and Hospital Management Burden and Its Challenges

Yujin Kudo(Department of Surgery, Tokyo Medical University)

SP-06-5 Adequacy of medical treatment fees for liver transplant surgery

Yukihiro Sanada(Department of Surgery, Division of Gastroenterological, General and Transplant Surgery)

SP-06-6 The appropriateness of medical fees for surgery for retroperitoneal malignant tumors

Masayoshi Sakuma(Dept of Surgery, Nagoya Univ)

SP-06-7 How Much Should We Pay for Robotic Surgery? Evaluating sustainable medical fee for robotic surgery in rectal cancer

Fumio Tsukamoto(Department of Surgery, Edogawa Hospital)

SP-06-8 Current Status and Future Perspectives of Robot-Assisted Inguinal Hernia Repair

Toshiro Tanioka(Dept of Gastrointestinal Surgery, Institute of Science Tokyo)

Symposium(SY)

Symposium-1(SY-01)

Current status and prospects of multidisciplinary treatment of thyroid cancer using genetic information
April 23rd (Thu.) 15:10-17:10 Room 3 (Keio Plaza Hotel Sapporo, 2F, Rose Room)
Chairperson:Kenichi Ito(Div of Breast and Endocrine Surgery, Dept of Surgery, Shinshu Univ School of Medicine)
Chairperson:Kiyomi Horiuchi(Dept of Endocrine Surgery, Tokyo Women's Medical Univ)
Commentator:Nobuyasu Suganuma(Yokohama City Univ Hosp, Dept of Breast and Thyroid Surgery)

SY-01-1 Clinical trials for advanced thyroid cancer:Integration of targeted therapy, immunotherapy, and surgery

SY-01-2 Current Status and Challenges of Systemic Therapy for Advanced Thyroid Cancer

Akifumi Suzuki(Dept of Surgery, Ito Hosp)

SY-01-3 Molecular Testing and the Potential for Conversion Surgery Following Selective Kinase Inhibitor Therapy in Locally Advanced Papillary Thyroid Carcinoma

Kadoya Mei(Dept of Endocrine Surgery, Kanagawa Cancer Center)

SY-01-4 Treatment outcomes of anaplastic thyroid carcinoma after the approval of selective kinase inhibitors at Shinshu University Hospital

Toshiharu Kanai(Division of Breast and Endocrine Surgery, Dept of Surgery, Shinshu Univ)

SY-01-5 Clinical application of domestic NGS pane test specialized for thyroid neoplasm

Yukiko Yano(Dept of Surgery, Tokyo Medical University)

SY-01-6 Selective kinase inhibitor therapy for advanced thyroid cancer

Kohki Shio(Dept of Thyroid and Endocrinology, Fukushima Medical Univ)

Symposium-2(SY-02)

Can Regenerative Medicine Shape the Future of Surgery?
April 23rd (Thu.) 8:30-10:30 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Fukushima Satsuki(National Cerebral and Cardiovascular Center)
Chairperson:Fujiwara Naho(Department of Pediatric Surgery, Juntendo University School of Medicine)
Special Remarks:Kusano Mitsuo(Former Professor of Gastroenterological and General Surgery, Showa Univ (now Showa Univ School of Medicine))

SY-02-1 Application of Human Amniotic Membrane and Its Derivatives to Regenerative Surgery: Current Status and Future Perspectives

Kazuaki Tokodai(Dept of Surgery, Tohoku Univ)

SY-02-2 The establishment of regenerative medicine using cell sheet transplantation to prevent perforation after duodenal endoscopic submucosal dissection. -From bench to bedside-

Kengo Kanetaka(Regenarative Surgery Center, Nagasaki University Hospital)

SY-02-3 Creating Organs

Takamichi Ishii(Dept of Surgery, Kyoto Univ)

SY-02-4 Prospects for cell transplantation strategies through new regenerative medicine research that complements surgery

Tetsuya Ikemoto(Department of Surgery, Tokushima University)

SY-02-5 Novel regenerative therapy for congenital refractory digestive disease using stem cells from human exfoliated deciduous teeth

Koichiro Yoshimaru( Department of Pediatric Surgery, Kyushu University Hospital)

SY-02-6 Our basic/translational researches for future porcine islet xenotransplantation

Naoaki Sakata(Dept of Regenerative Medicine and Transplantation, Fukuoka University)

Symposium-3(SY-03)

Liquid Biopsy: Frontiers in Research and Its Impact on Therapeutic Strategy
April 23rd (Thu.) 15:10-17:10 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Oki Eiji(Department of Advanced Medicine and Innovative Technology, Kyushu University)
Chairperson:Tada Hiroshi(Division of Breast and Endocrine Surgery, Faculty of Medicine, Tohoku Medical and Pharmaceutical University)

SY-03-1 ctDNA longitudinal analysis during total neoadjuvant therapy and nonoperative management for locally advanced rectal cancer

Takashi Akiyoshi(Department of Colorectal Surgery, Cancer Institute Hospital)

SY-03-2 Multi-organ, multi-center collaborative research into liquid biopsy in organ transplantation - Aiming to establish Japan's first domestic model -

Masahiro Shinoda(Department of Hepato-Biliary-Pancreatic and Gastrointestinal Surgery, International University of Health and Welfare Narita Hospital)

SY-03-3 Novel Method for Circulating Tumor Cell Detection Using 3D Imaging Flow Cytometry and AI Clustering

Ryoma Haneda(Department of Surgery, Hamamatsu University School of Medicine)

SY-03-4 Genome-wide Analysis of ctDNA-derived DNA Palindromes for Early Detection of Breast Cancer

Fumie Igari(Dept of Breast Surgery, Juntendo Univ. Urayasu Hospital)

SY-03-5 Blood-based screening for hepato-biliary-pancreatic cancers using a cfDNA methylation panel

Shu Sasaki(Dept of HPB Surgery, Tokyo Univ)

SY-03-6 Early Detection of Pancreatic Cancer Based on Cachexia-Associated Alterations in the Urinary Metabolome

Taisuke Baba(Dept of Surgery, Nagoya Univ)

Symposium-4(SY-04)

Current treatments for pediatric liver tumors
April 23rd (Thu.) 8:30-10:30 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Tomoro Hishiki(Dept of Pediatric Surgery, Chiba Univ Graduate School of Medicine)
Chairperson:Shohei Honda(Showa Medical Univ Koto Toyosu Hosp Pediatric Surgery)

SY-04-1 Paediatric surgical oncology and liver tumours within Australia – An evolving landscape

Jonathan Karpelowsky(Children's Hospital at Westmead/Children's Cancer Research Unit- Kids Research Institute/University of Sydney, Australia)

SY-04-2 Evolution of pediatric liver tumor management in Japan: from national trials to global collaboration

Hishiki Tomoro(Dept of Surgery, Chiba Univ)

SY-04-3 The Role of Liver Transplantation in Hepatoblastoma: Outcomes from the JPLT Study and Current Practice in Japan

Yohei Yamada(Department of Pediatric Surgery)

SY-04-4 Optimal Surgical Margin in Pulmonary Metastasectomy for Hepatoblastoma: A Retrospective Analysis

Naonori Kawakubo(Department of Pediatric Surgery, Kyushu University)

SY-04-5 Interim report of a multicenter prospective observation study to validate the feasibility of preoperative three-dimensional simulation in pediatric and AYA liver tumors (JPLT6)

Sho Kurihara(Dept of Pediatr Surg, Hiroshima Univ Hosp)

SY-04-6 Surgical strategies for pediatric hepatoblastoma: Limitations of resection and the role of liver transplantation

Hajime Uchida(Organ Transplantation Center, National Center for Child Health and Development)

Symposium-5(SY-05)

Outcomes of robotic-assisted surgery for esophageal cancer
April 23rd (Thu.) 13:00-15:00 Room 8 (Grand Mercure Sapporo Odori Park, 3F, Ball Room A)
Chairperson:Hiroya Takeuchi(Dept of Surgery, Hamamatsu Univ School of Medicine)
Chairperson:Taro Oshikiri(Dept of Gastrointestinal Surgery and Surgical Oncology, Ehime Univ Hosp)
Special Remarks:Akira Tangoku(Tokushima Heisei Hosp)

SY-05-1 Defining the true value of robotic surgery in esophageal cancer:Beyond the operating room

Yin-Kai Chao(Chang Gung Memorial Hosp-Linkou, Taiwan)

SY-05-2 Short terms outcomes of robotic esophagectomy and cost analysis with thoracoscopic esophagectomy-

Satoru Matsuda(Department of Surgery, Keio University School of Medicine )

SY-05-3 Clinical utility of robot-assisted esophagectomy and treatment outcomes in advanced esophageal cancer

Yasue kimura(Department of Gastroenterological Surgery, NHOKyushu Cancer Center)

SY-05-4 Clinical outcomes of robot-assisted minimally invasive esophagectomy for esophageal cancer

Takahiro Toyokawa(Dept of Gastroenterological Surgery, Osaka Metropolitan Univ)

SY-05-5 Mid-Term Outcomes and Future Perspectives of Robot-Assisted Minimally Invasive Esophagectomy for Esophageal Cancer

Kazuhiro Noma(Department of Gastroenterological Surgery)

SY-05-6 Mid- to Long-term Outcomes of Robot-Assisted Esophagectomy and Its Advantages and Technical Considerations in cT3br or cT4 Esophageal Cancer: A Propensity Score-Matched Comparison with Thoracoscopic Esophagectomy

Tomoki Makino(Department of Gastroenterological Surgery, Graduate School of Medicine, The University of Osaka)

SY-05-7 Short- and Long-term Outcomes of Robot-assisted Esophagectomy (RAMIE) at Our Institution -A Propensity Score Analysis of 360 Cases Compared with MIE –

Takeo Fujita(Division of Esophageal Surgery, National Cancer Center Hospital East)

Symposium-6(SY-06)

Juxtarenal and Short-Neck AAA: Which Operative Strategy Do You Choose?【video】
April 23rd (Thu.) 13:00-15:00 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Morikage Noriyasu(Department of Cardiovascular Surgery, Kansai Medical University)
Chairperson:Banno Hiroshi(Division of Vascular and Endovascular Surgery, Nagoya University Graduate School of Medicine)

SY-06-1 Open surgery for complex AAA

Takuro Shirasu(Div of Vascular Surgery, Dept of Surgery, The University of Tokyo )

SY-06-2 Outcomes of the thoracoabdominal approach with left thoracotomy and laparotomy for juxtarenal/short-neck abdominal aortic aneurysms

Shigeru Sakurai(Kawasaki Aortic Center, Kawasaki Saiwai Hospital)

SY-06-3 Tips for reliably controlling type Ia endoleaks in chimney EVAR for juxtarenal AAA

Ken Nakamura(Dep of Cardiovascular Surgery,Kansai medical Univ Hospital)

SY-06-4 Renal protection effect of using renal protection solution for Juxstarenal/short neck AAA with vascular replacement by Suprarenal Clamp

HiHideyasu Ueda(Department of Cardiovascular Surgery, Kanazawa University)

SY-06-5 Efficacy of EVAR using Reverse VIABAHN Sandwich Technique(REVIASAN) for juxtarenal AAA

Shuhei Azuma(Department of Cardiovascular Surgery, Kyoto Katsura Hospital )

SY-06-6 Treatment Strategies and Outcomes for Juxtarenal and Short-Neck Abdominal Aortic Aneurysms at Our Institution

Changi Lee(Div of Vascular and Endovascular Surgery, Dept of Surgery, Nagoya Univ)

Symposium-7(SY-07)

Exploring prevention and treatment strategies for anastomotic leakage in rectal cancer based on the latest evidence
April 24th (Fri.) 9:00-11:00 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Masaaki Ito(National Cancer Center Hosp East)
Chairperson:Junichiro Kawamura(Kindai Univ Hosp)
Special Remarks:Yoshiharu Sakai(Japanese Red Cross Osaka Hosp)

SY-07-1 TTSS:A powerful tool for anastomotic leak prevention

Antonino Spinelli(Humanitas Research Hosp - Humanitas Univ - Milan, Italy)

SY-07-2 Impact of low ligation on bowel perfusion and anastomotic leakage in rectal cancer surgery: A post hoc analysis of the EssenitAL Trial

Kei Kimura(Division of Lower GI, Department of Gastroenterological Surgery, Hyogo Medical University)

SY-07-3 Prospects for preventing postoperative anastomotic leakage in rectal cancer surgery using intestinal blood flow assessment based on tissue regional oxygenation saturation

Manabu Shimomura(Dept of Gastroenterological an Transplant Surgery, Hiroshima University Hospital)

SY-07-4 Evidence-based Bundle Care Strategies for Preventing Anastomotic Leakage in Minimally Invasive Rectal Low Anterior Resection

Koji Tamura(Dept of Surgery and Oncology, Kyushu Univ)

SY-07-5 Systematic review and Bayesian network meta-analysis comparing multiple anastomotic techniques after total mesorectal excision in rectal cancer

Daichi Kitaguchi(Dept of Surgery, Univ of Tsukuba)

SY-07-6 Clinical Benefit of the Single Stapling Technique for Preventing Anastomotic Leakage after Rectal Cancer Surgery

Yuichiro Tsukada(Department of Colorectal Surgery, National Cancer Center Hospital East)

SY-07-7 Short-term Outcomes of Pull-through and Delayed Coloanal Anastomosis in Intersphincteric Resection

Hisanori Miki(Dept of Colorectal Surgery, Kansai Medical University Medical Center)

SY-07-8 Preventive Measures for Anastomotic Leakage in Total Mesorectal Excision for Rectal Cancer

Mitsuru Yokota(Department of General Surgery, Kurashiki Central Hospital)

Symposium-8(SY-08)

New Horizons in Rectal Cancer Management: Watch-and-Wait and Total Neoadjuvant Therapy
April 24th (Fri.) 13:40-15:40 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Ishihara Soichiro(Department of Surgical Oncology The University of Tokyo)
Chairperson:Akiyoshi Takashi(Department of Colorectal Surgery, The Cancer Institute Hospital of JFCR)
Special Remarks:Tomita Naohiro(Department of Oncology, Toyonaka Municipal Hospital)

SY-08-1 Neoadjuvant immunotherapy in rectal cancer: what should surgeons be aware of?

Tsuyoshi Konishi(The University of Texas MD Anderson Cancer Center)

SY-08-2 Optimizing preoperative strategy in rectal cancer: Predicting ypN0 from pretreatment factors to guide TNT selection

Shigenobu Emoto(Dept of Surgical Oncology, Univ of Tokyo)

SY-08-3 Short- vs long-course radiation in total neoadjuvant therapy for locally advanced rectal cancer: a retrospective cohort study

Shoma Sasaki(Dept of Colorectal Surgery, National Cancer Center Hospital East)

SY-08-4 Outcomes of TNT and NOM in rectal cancer in the ENSEMBLE-1/2 trial.

Jun Watanabe(Dept of Colorectal Surgery, Kansai Medical University)

SY-08-5 Pros and cons of Total neoadjuvant therapy for locally advanced rectal cancer

Kazushige Kawai(Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital)

SY-08-6 Treatment outcomes after neoadjuvant therapy for locally advanced low rectal cancer at our institution: TME and Watch and Wait

Tatsuki Noguchi(Dept of Colorectal Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research)

Symposium-9(SY-09)

The Future of Surgical Management for Hilar Cholangiocarcinoma: Innovations and Unresolved Challenges
April 24th (Fri.) 13:40-15:40 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Ebata Tomoki(Department of Surgical Oncology, Nagoya University)
Chairperson:Saiura Akio(Dept of HBP Surgery, Juntendo Univ)
Special Remarks:Nagino Masato(Advisor of Social Medical Corporation Kojuenkai Daido Hospital)
Commentator:Matsui Aya(Dept of Gastroenterological Surgery II, Hokkaido University)

SY-09-1 Attempt to Establish Criteria for Preoperative treatment Indications in Hilar Cholangiocarcinoma Patients

Daisaku Yamada(Dept of Gastroenterological Surgery, The University of Osaka)

SY-09-2 Current status of conversion surgery after chemotherapy for unresectable hilar cholangiocarcinoma: Analysis of a Japanese multicenter study

Hisashi Kosaka(Dept of Hepatobiliary Surgery, Kansai Medical University)

SY-09-3 Strategy based on functional remnant liver volume (fFRLV) augmentation for hilar cholangiocarcinoma: Implications for perioperative chemotherapy.

Ryo Muranushi(Dept of General Surgical Science, Div of Hepatobiliary and Pancreatic Surgery, Gunma Univ)

SY-09-4 Multidisciplinary Treatment for perihilar cholangiocartinoma

Shuichi Koike(Dept of HBP surgery, Juntendo Univ)

SY-09-5 Multidisciplinary treatment for perihilar cholangiocarcinoma: Past achievements and Future perspectives

RYUSEI MATSUYAMA(Dept.of Gastroenterological Surgery, Yokohama City University)

SY-09-6 Conversion Surgery in Perihilar Cholangiocarcinoma: Current Practice and Future Perspectives

Shoji Kawakatsu(Dept of Surgery, Nagoya Univ Hospital)

SY-09-7 Problems in postoperative management of surgery for perihilar cholangiocarcinoma from the perspective of Failure to rescue of severe complications.

Minoru Esaki(National Cancer Center Hospital, Tokyo, Japan)

SY-09-8 Strategy of Living Donor Liver Transplantation for Unresectable Cholangiocarcinoma

Takashi Ito(Division of HBP Surgery and Transplantation, Dept of Surgery, Kyoto University)

SY-09-9 Living donor liver transplantation for unresectable perihilar cholangiocarcinoma: a multicenter, prospective, phase I/II study

Taizo Hibi(Dept of Pediatric Surgery and Transplantation, Kumamoto Univ)

Symposium-10(SY-10)

Perioperative Therapy Combined with Immune Checkpoint Inhibitors: Real-World Evidence and Future Perspectives
April 24th (Fri.) 9:00-11:00 Room 8 (Grand Mercure Sapporo Odori Park, 3F, Ball Room A)
Chairperson:Sato Yukio(Department of Thoracic Surgery, University of Tsukuba)
Chairperson:Kato Tatsuya(Department of Thoracic Surgery, Hokkaido University)

SY-10-1 Our experience with perioperative ICI therapy for lung cancer: Insights from 30 cases

Yuki Ozaki(Dept of Chest Surgery, Fukushima Medical Univ)

SY-10-2 Neoadjuvant Chemoimmunotherapy for Locally Advanced NSCLC: Perioperative Outcomes Compared with Chemoradiotherapy

Daisuke Eriguchi(Department of Surgery, Tokyo Medical University)

SY-10-3 Perioperative Management of Lung Cancer in Our Department: Complications and Risk Assessment After the Introduction of ICIs

HIROKI MATSUMIYA(Second Department of Surgery, School of Medicine, University of Occupational and Environmental Health, Kitakyushu, Japan)

SY-10-4 Perioperative impact of immune-related adverse events in surgery after immune checkpoint inhibitor therapy

Masaya Okuda(Dept of General Thoracic Surgery, Meiwa Hospital)

SY-10-5 Is Perioperative Immunotherapy Effective for Borderline Resectable Cases? – Considerations from Our Own Experience –

Masaru Takenaka(Second Department of Surgery, University of Occupational and Environmental Health)

SY-10-6 Perioperative outcomes of salvage surgery after definitive chemoradiotherapy with immune-checkpoint inhibitor for non-small cell lung cancer

Yukio Watanabe(Department of General Thoracic Surgery, Juntendo University Shizuoka Hospital)

Symposium-11(SY-11)

Long-Term Outcomes of Robot-Assisted Surgery for Gastric Cancer
April 24th (Fri.) 13:40-15:40 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Hiki Naoki(Department of Upper Gastrointestinal Surgery, Kitasato University School of Medicine)
Chairperson:Ichikawa Daisuke(First Department of Surgery, University of Yamanashi)
Special Remarks:Seto Yasuyuki(National Cancer Center Hospital)

SY-11-1 Oncological Outcomes of Robotic versus Laparoscopic Gastrectomy for Gastric Cancer: Results from a Multi-institutional Cohort Study

Tatsuto Nishigori(Dept of Surgery, Kyoto City Hospital)

SY-11-2 Robot-assisted versus laparoscopic gastrectomy for gastric cancer: a propensity score-matched analysis of short- and long-term outcomes

Motonari Ri(Dept of Gastroenterological Surgery, Cancer Institute Hospital)

SY-11-3 Treatment outcomes and long-term prognosis of robot-assisted surgery and laparoscopic surgery for gastric cancer

Kazuhisa Ehara(Division of Gastric Surgery, Saitama Cancer Center)

SY-11-4 Clinical outcomes of robotic gastrectomy using propensity score analysis

Taro Isobe(Dept of Surgery, Kurume Univ)

SY-11-5 Robotic Gastrectomy Improves Short-Term Outcomes and Reduces Operative Workload Compared with Laparoscopic Gastrectomy for Advanced Gastric Cancer

Shigeo Hisamori(Dept of Surgery, Kyoto Univ)

SY-11-6 Long-term outcomes of robotic gastrectomy: a propensity score-matched comparison with laparoscopic gastrectomy

Rei Ogawa(Dept of Gastric Surgery, National Cancer Center Hospital, Tokyo, Japan)

SY-11-7 Short- and Long-Term Outcomes of Robotic Gastrectomy for Advanced Gastric Cancer: Clinical Significance Beyond Laparoscopic Surgery

Shuhei Komatsu(Dept of Digestive Surgery, Kyoto First Red Cross Hospital)

Symposium-12(SY-12)

Disaster Medicine and Surgeons: Preparation and Practice for Gunshot Wounds, Explosive Injuries, and War Disasters
April 24th (Fri.) 9:00-11:00 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Yasumitsu Mizobata(Dept of Traumatology and Critical Care Medicine)
Chairperson:Junichi Inoue(Trauma and Critical Care Center, Nippon Medical School Musashikosugi Hosp)
Special Remarks:Yasuhiro Otomo(NHO Disaster Medical Center)

SY-12-1 Disaster medicine and surgeons in Taiwan

Li-Chien Max Chien(REMOC, Dept of Emergency Medicine, National Cheng Kung Univ Hosp, Taiwan)

SY-12-2 Differences in patterns of combat-related injuries between the War on Terror and the Ukraine conflict

jiro Omata(Dept of Surgery, Japan Self-Defense Forces Sapporo Hospital)

SY-12-3 How Surgeons Should Prepare for Gunshot and Blast Injuries: From Reluctance to Readiness

Tomoya Ikeda(Yao Tokushukai general hospital)

SY-12-4 Advanced Trauma Operative Management Courses at the Self Defense Force Central Hospital

Nagata Takashi(Self Defense Force Central Hospital)

SY-12-5 General surgeons as first responders to duodenal trauma from war in Pakistan's military hospital

Muhammad Raza(Dept of Surgery, Combined Military Hosp, Pakistan)

SY-12-6 Establishing a Surgical Readiness System for Large-Scale Events and Preparedness for Damage Control — Experiences from the G20 Osaka Summit, G7 Hiroshima Summit, and Osaka-Kansai Expo —

Eiji Hira(Dept of Acute Care Surgery, Shimane University)

SY-12-7 Development of Vehicles Capable of Performing Emergency Trauma Surgery in Preparedness for CBRNE Disasters

Tomohisa Shoko(Dept of Emergency and Critical Care Medicine, Tokyo Women's Medical University Adachi Medical Center)

SY-12-8 Preparedness and Response to Gunshot and Blast Injuries in Japan: The Japanese Surgical Society Trauma Surgeon Training Program and the Trauma Surgery Assistance Team (TSAT))

Inoue Junichi(Trauma & Critical Care Center, NIppon Medical School Musashikosugi Hospital)

Symposium-13(SY-13)

Advances in Surgical Management of Pediatric Malignancies: Functional Preservation, Quality of Life, and Fertility Preservation
April 25th (Sat.) 10:10-12:10 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Kitagawa Norihiko(Department of Surgery, Kanagawa Children's Medical Center)
Chairperson:Shirota Chiyoe(Department of Pediatric Surgery, Nagoya University Graduate School of Medicine)
Commentator:Tajiri Tatsuro(Department of Pediatric Surgery, Kyushu University)

SY-13-1 Clinical Impact of Residual Tumors and Long-term Quality of Life in Non-high-risk Neuroblastoma: A 20-year Single-institution Study

Masafumi Iguchi(Department of Pediatric Surgery, Kyoto Prefectural University of Medicine)

SY-13-2 Prognostic impact of residual primary tumor in High-risk Neuroblastoma: a 40-year experience at our institution

Junnosuke Maniwa(Dept of Pediatric Surgery, Kyushu Univ)

SY-13-3 Surgical strategy for pediatric paraspinal tumors considering the risk of Adamkiewicz artery injury

Norihiko Kitagawa(Dept of Surgery, Kanagawa Children's Medical Center)

SY-13-4 Long-term follow-up of liver and renal function in pediatric patients who underwent living-donor liver transplantation for hepatoblastoma: over 10 years post-transplant and future challenges

Masaki Honda(Department of Pediatric Surgery and Transplantation, Kumamoto University)

SY-13-5 A Ten-Year Single-Institutional Clinical Study on Pediatric Ovarian Tumors: Follow-Up Strategies and Their Challenges

Takafumi Kawano(Dept of Pediatric Surgery, Kagoshima Univ)

SY-13-6 Our Institutional Experience with Ovarian Tissue Cryopreservation for Fertility Preservation in Pediatric Cancer Patients

Kaori Morita(University of Tokyo, Department of pediatric surgery)

SY-13-7 Current Status of Fertility Preservation in Pediatric Oncology: Experience and Role of Pediatric Surgeons

Yuki Muta(Departments of Hepato-Biliary-Pancreatic and Pediatric Surgery, Saitama Medical Center, Saitama Medical University)

Symposium-14(SY-14)

Minimally Invasive Hepatectomy: Current Practices and Technical Innovations【video】
April 25th (Sat.) 8:00-10:00 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:Honda Goro(Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical University)
Chairperson:Ban Daisuke(Department of Hepatobiliary and Pancreatic Surgery, Institute of Science Tokyo)

SY-14 Multicenter Randomized Controlled Trial of Robot-Assisted Liver Resection and Laparoscopic Liver Resection

Wakabayashi Go(Dept of Surgery, Ageo Central General Hospital)

SY-14-1 Surgical techniques and tips for advanced laparoscopic liver resection

Ryosuke Yamanaka(Department of Surgery, Insitute of Gastroenterology, Tokyo Women's Medical University)

SY-14-2 Robotic Surgery vs. Laparoscopic Surgery for Liver Resection: A Consideration of Their Advantages and Limitations

Mamoru Morimoto(Dept of Gastroenterological surgery, Keiyukai Sapporo Hospital)

SY-14-3 Standardization of Minimally Invasive Resections of the Anterior, Posterior, Segment 8, and 7 Requiring Right Intersectional Plane Transection Based on the Course of the Right Posterior Inferior Branch (P6a) of the Portal Vein

Yusuke Yamamoto(Division of Digestive Surgery, Kyoto Prefectural University of Medicine)

SY-14-4 Integration of CUSA into Robotic-Assisted Liver Resection: Technical Considerations

Daisuke Asano(Dept of Hepatobiliary and Pancreatic Surgery, Institute of Science Tokyo)

SY-14-5 Outcomes of Robotic Liver Resection Using Novel Platforms

Takeshi Takahara(Department of Surgery, Fujita Health University)

SY-14-6 Minimally invasive hepatectomy: its clinical impacts on liver surgery and future perspectives

Yutaro Kato(Dept Gastroenterological Surg, Fujita Health Univ. Bantane Hosp.)

Symposium-15(SY-15)

Conversion Surgery for Pancreatic Cancer: The Next Challenges
April 25th (Sat.) 10:10-12:10 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:Unno Michiaki(Department of Gastrointestinal Surgery, Tohoku University)
Chairperson:Satoi Sohei(Department of Pancreatobiliary Surgery, Kansai Medical University)
Special Remarks:Nakao Akimasa(Nagoya Central Hospital)

SY-15-1 Technical challenges in surgery of the uncinate process tumors

Marco Del Chiaro(Univ of Colorado School of Medicine, United States of America)

SY-15-2 Impact of Induction FOLFIRINOX versus Gemcitabine with Nab-Paclitaxel on Early Recurrence and Post-Recurrence Survival after Conversion Surgery for Unresectable Pancreatic Cancer.

Hidenori Takahashi(Dept of Gastroenterol, Breast and Endocrine Surg, Yamaguchi Univ )

SY-15-3 Conversion Surgery for UR-LA Pancreatic Cancer: Light and Shadow

Minako Nagai(Nara Medical University)

SY-15-4 Cancer recurrence after resection for locally advanced pancreatic cancer with arterial contact or invasion

Isamu Makino(Dept of Hepato-Biliary-Pancreatic Surg and Transplant, Kanazawa Univ)

SY-15-5 The significance of conversion surgery in a phase II study of chemoradiotherapy combined with gemcitabine plus nab-paclitaxel for locally advanced pancreatic cancer (NUPAT-05 trial)

Haruyoshi Tanaka(Dept of Surgery, Nagoya Univ)

SY-15-6 Clinical Outcomes and Predictors of Conversion Surgery in Staging Laparoscopy-Positive Pancreatic Cancer Patients

Shimpei Maeda(Dept of Surgery, Tohoku Univ)

SY-15-7 Patients With Pancreatic Cancer With Synchronous Liver Oligometastasis Show a Significant: Long-Term Survival Benefit From Resection Under Specific Conditions: A Multicenter National Cohort Study

Kohei Nakata(Dept of Surgery and Oncology, Kyushu Univ)

SY-15-8 Conversion surgery for unresectable pancreatic ductal adenocarcinoma with liver metastasis at initial diagnosis: a nationwide multicenter study

Daisuke Hashimoto(Dept of Pancreatobiliary Surg, Kansai Medical Univ)

Symposium-16(SY-16)

The Evolving Landscape of Breast Cancer Management in the Era of Genomic Medicine: HBOC and ctDNA
April 25th (Sat.) 8:00-10:00 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Ishida Takanori(Department of Breast Surgery, Tohoku Kosai Hospital)
Chairperson:Kubo Makoto(Department of Breast Surgical Oncology, Kyushu University Hospital)

SY-16-1 The Current Landscape of Genomic Medicine and Drug Accessibility in Japanese Breast Cancer: Insights from a 6307-Case C-CAT Cohort

Midori Morita(Dept of Surgery, Division of Endocrine & Breast Surgery, Kyoto Prefectural University of Medicine)

SY-16-2 From secondary findings in cancer genomic medicine to hereditary cancer predisposition medicine: current practice and challenges revealed by a multi-institutional study

Ayaka Sato(Dept of Breast and Endocrine Surgery, The University of Tokyo)

SY-16-3 Examination of the background to risk-reducing surgery for breast cancer patients with BRCA1/2 pathogenic variants

Yukiko Yoshimoto(Dept of Breast Surgery, Kitano Hospital)

SY-16-4 The advantage of transcriptomic subtype classifiers for precision neoadjuvant chemotherapy in operable triple-negative breast cancer

Tomohiro Oshino(Dept of Breast Surgery, Hokkaido Univ)

SY-16-5 Homologous Recombination Deficiency Stratification Using Whole-Exome Sequencing and Gene Expression Signature and Its Association with Neoadjuvant Chemotherapy Response

Yoshiaki Sota(Department of Breast and Endocrine Surgery Graduate School of Medicine Osaka University)

SY-16-6 cfChr Analysis as a Next-Generation Liquid Biopsy

Mamoru Takada(Dept of General Surgery, Chiba Univ)

Panel Discussion(PD)

Panel Discussion-1(PD-01)

Are Transanal and Transperineal Approaches Necessary in Rectal Cancer Surgery?【video】
April 23rd (Thu.) 13:00-15:00 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Hasegawa Suguru(Department of Gastroenterological Surgery, Fukuoka University)
Chairperson:Tsukamoto Shunsuke(Department of Colorectal Surgery, National Cancer Center Hospital)

PD-01-1 Significance of the Transanal Approach in Securing the Distal Margin in Rectal Cancer Surgery

Takuya Shiraishi(Dept of General Surgical Science, Gunma Univ)

PD-01-2 Are Transanal and Transperineal Approaches Still Essential for Rectal Cancer? Insights from 300 Cases

Takeru Matsuda(Dept of Surgery, Kobe Univ)

PD-01-3 Clinical value of the transanal approach in rectal cancer patients with surgical difficulty risk factors

Kazuki Otani(Dept of colorectal surgery, National Cancer Center Hospital East)

PD-01-4 The utility of the Ta/Tp approach for high-difficulty cases

Takuya Tokunaga(Dept of Surgery, Tokushima Univ)

PD-01-5 Feasibility of the Ta/Tp approach in high-complexity pelvic exenteration for locally advanced or recurrent rectal cancer

Yukiko Nonaka(Dept of Surgery, Nagoya University Hospital)

PD-01-6 Usefulness of the Ta/Tp Approach for Rectal Tumors with Adjacent Organ Invasion or Local Recurrence

Yoshiko Matsumoto(Dept of Gastroenterol Surg,Fukuoka Univ)

PD-01-7 2-team Robot-TaTME as an Important Option for Rectal Cancer Patients with Narrow Pelvis

RYOSUKE OKAMURA(Department of Surgery, Kyoto University Hospital)

Panel Discussion-2(PD-02)

Treatment Strategies for cCRM-Positive or T4b Rectal Cancer【video】
April 23rd (Thu.) 15:10-17:10 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Inomata Masafumi(Department of Gastroenterologic and Pediatric Surgery, Oita University, )
Chairperson:Otsuka Koki(Department of Advanced Robotic and Endoscopic Surgery, Fujita Health University)

PD-02-1 Treatments and Outcomes of cT4b Rectal Cancer

Hiroshi Nagata(Department of Colorectal Surgery, National Cancer Center Hospital)

PD-02-2 Treatment strategies and robotic-assisted surgery for rectal cancer with invasion to other organs

Riki Ohno(Department of Gastroenterological Surgery, Saitama Cancer Center)

PD-02-3 Risk-Adapted TNT with Ta/Tp Approach in Mesorectal Fascia-Positive Rectal Cancer: A Single-Center Experience

Kenji Okuda(Dept of Surgery, Nagoya University Hospital)

PD-02-4 Trans-anal/trans-perineal approach for cT4b rectal cancer after neoadjuvant therapy

Ryuki Esashi(Dept of colorectal surgery, National Cancer Center Hospital East)

PD-02-5 Short- and Long-Term Outcomes of Robotic-Assisted Surgery for Locally Advanced Rectal Cancer Undergoing Neoadjuvant Therapy or Multivisceral Resection

Shoichi Manabe(Division of Colon and Rectal Surgery, Shizuoka Cancer Center Hospital)

PD-02-6 Examination of the relationship between cT4b, CRM positive, MRF positive and pelvic recurrence for lower rectal cancer

Yosuke Iwasa(Dept of Surgery, Nara Medical University)

PD-02-7 Multicenter Study of cT4b Rectal Cancer in the NCOG Network: Significance of Case Centralization

Takashi Nonaka(Dept of Surgery, Nagasaki Univ)

Panel Discussion-3(PD-03)

Evidence-Based Surgical Education Emerging from Japan
April 23rd (Thu.) 13:00-15:00 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Poudel Saseem(Dept of Gastroenterological Surgery II, Hokkaido University)
Chairperson:Mukohyama Junko(Department of Surgery, The Institute of Medical Science, The University of Tokyo Division of Frontier Surgery, The Institute of Medical Science, The University of Tokyo)

PD-03-1 Evidence of Surgical Education Research from Japan: Achievements of the Surgical Education Research Laboratory

Saseem Poudel(Department of Gastroenterological Surgery II, Hokkaido University)

PD-03-2 Does Early Exposure Change Perceptions of Surgeons? — Insights from a Robotic Surgery Experience Seminar for Female Students —

Junko Mukohyama(Department of Surgery)

PD-03-3 The future of surgical education driven by AI: Educational impact of AI-assisted surgery

Shigeo Ninomiya(Department of Gastroenterological and Pediatric Surgery, Oita University Faculty of Medicine)

PD-03-4 AI-assisted anatomical recognition to advance surgical education: improved accuracy and educational utility in a multicenter study

Jumpei Ikeda(Department of Surgery, Keio University School of Medicine)

PD-03-5 Effectiveness of AI-Based Visualization for Surgical Education: A Cluster Quasi-Randomized Controlled Trial Targeting Student Doctors

Eiichiro Nakao(Dept of Gastroenterological Surgery, Upper G.I. Surgery Div, Hyogo Medical Univ)

PD-03-6 Surgical simulator education using 3D organ models to learn the specialties of pediatric surgery

Shinya Takazawa(Department of Pediatric Surgery, The University of Tokyo Hospital)

PD-03-7 Lessons from a randomized controlled trial evaluating an augmented reality self-training system for suturing in open surgery

Yuri Nagayo(Dept of Medical Education Studies, the Univ. of Tokyo)

PD-03-8 Analysis of the abstracts of Surgical Education Summit

Koya Hida(Dept of Surgery, Kyoto Univ)

Panel Discussion-4(PD-04)

Local Therapy for Breast Cancer in the Era of Multidisciplinary Treatment: Progress and Remaining Challenges
April 23rd (Thu.) 8:30-10:30 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Takahashi Masato(Department of Breast Surgery, Hokkaido University Hospital )
Chairperson:Masuda Norikazu(Department of Breast Surgery, Graduate School of Medicine, Kyoto University)
Special Remarks:Ishida Takanori(Dept of Breast Surgery, Tokoku Kosai Hospital)

PD-04-1 Optimizing Intraoperative Margin Assessment in Breast-Conserving Surgery: Early Clinical Experience with the MOZART System

Eriko Taguchi(Dept of Breast and Endocrine Surgery, JIKEI Univ)

PD-04-2 Clinical Impact and Considerations of Omitting Sentinel Lymph Node Biopsy in Real-World Practice: Perspectives from the SOUND and INSEMA Trials

Yuka Inoue(Breast Surgical Oncology, Cancer Institute Hospital of Japanese Foundation for Cancer Research)

PD-04-3 Clinical significance of sentinel lymph node biopsy in stage I luminal breast cancer

Akiko Matsumoto(Dept of Surgery, Teikyo Univ)

PD-04-4 Low progesterone receptor expression predicts nodal pathological complete response after neoadjuvant chemotherapy in premenopausal patients with ER-positive/HER2-negative breast cancer

Naoko Iwamoto(Department of Breast Surgery, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital)

PD-04-5 Predictive Factors for Axillary Nodal Pathological Complete Response after Neoadjuvant Chemotherapy in Breast Cancer: Analysis of Subtype and Lymph Node Size Reduction

Yuichi Hisamatsu(Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University)

PD-04-6 Sentinel node-guided radiotherapy in Japanese patients with early-stage breast cancer: a single-institution experience with partial-breast brachytherapy and regional nodal irradiation

Kazuhiko Sato(Dept of Breast Oncology, Tokyo-West Tokushukai Hospital)

Panel Discussion-5(PD-05)

Surgical Management of Patients with Obesity: Current Perspectives and Clinical Updates
April 23rd (Thu.) 13:00-15:00 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:Matsubara Hisahiro(Sanmu Medical Center Disease Prevention Center)
Chairperson:Sasaki Akira(Department of Surgery, Iwate Medical University School of Medicine)

PD-05-1 Impact of an individualized camera port position adjustment in minimally invasive surgery for obese gastric cancer patients

Makoto Hikage(Division of Gastroenterologic Surgery, Tohoku Medical and Pharmaceutical University)

PD-05-2 Updated Surgical Strategies for Colorectal Cancer in Obese Patients: From Laparoscopy to Robotic Surgery and TaTME

Takaaki Fujimoto(Dept of Surgery and Oncology, Kyushu Univ)

PD-05-3 Usefulness of Apnea-hypopnea index to visceral fat area ratio in patients with severe obesity undergoing laparoscopic sleeve gastrectomy

Akira Umemura(Department of Surgery, Iwate Medical University School of Medicine)

PD-05-4 Optimal Timing for Second-Stage Surgery After Sleeve Gastrectomy: A Retrospective Analysis of Bridge Surgery Cases

Yasunori Uesato(Department of metabolic surgery, Ohama daiichi hospital)

PD-05-5 Impact of preoperative living donor weight reduction in living donor liver transplantation on postoperative outcomes

Shohei Yoshiya(Dept of Surgery and Science, Kyushu Univ)

PD-05-6 Obesity is not a disadvantage! safety and efficacy of RATS for lung cancer assessed by subcutaneous tissue area ratio

Teruhisa Kawaguchi(Dept of Thoracic Surgery, Mie Univ)

Panel Discussion-6(PD-06)

Management of Intraoperative Vascular Injury
April 23rd (Thu.) 15:10-17:10 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:Matsuda Hitoshi(National Cerebral and Cardiovascular Center)
Chairperson:Obara Hideaki(Department of Surgery, Keio University School of Medicine)
Special Remarks:Isaji Shuji(Yonaha Okanoue Hospital)

PD-06-1 Intraoperative Vascular Injury: Common Principles and Perspectives of the Session

Obara Hideaki(Department of Surgery, Keio University School of Medicine)

PD-06-2 Characteristics of Intraoperative Vascular Injury Leading to Critical Hemorrhage: A Nationwide Database Study in Japan

Daisuke Koike(Department of Patient Safety, Nagoya University Hospital)

PD-06-3 Algorithm-based troubleshooting to manage bleeding during anatomic pulmonary resection via minimally invasive approach. 

Atshunori Hirai(Dept of General Thoracic Surgery, Japanese Red Cross Maebashi Hospital)

PD-06-4 Experience with intraoperative catastrophic vascular injury

HIRONORI ISHIBASHI(Dept of Thoracic Surgery, Graduate School of Medicine, Institute of Science Tokyo)

PD-06-5 Preparing for 0.55 Cases Annually: Teamwork and Lessons Learned from Intraoperative Vascular Injuries

Tomohiro Nakajima(Department of Surgery, Division of Cardiovascular Surgery, Sapporo Medical University)

PD-06-6 Intraoperative Management of Portal Vein Injury in Minimally Invasive Pancreatoduodenectomy

Kazuyuki Nagai(Dept of Surgery, Kyoto Univ)

PD-06-7 Intraoperative bleeding during hepatectomy and Its Management

Kosuke Matsui(Kansai Medical University, Department of Hepatobiliary Surgery)

PD-06-8 Combating Collateral Vessel Hemorrhage During Splenectomy in Liver Transplantation: Strategies for Prevention and Control

Yasushi Hasegawa(Dept of Surgery, Keio Univ)

PD-06-9 The impact of vascular surgeons in hepatic artery reconstruction during hepatobiliary-pancreatic surgery

Hiroyuki Takahashi(Division of Hepato-Biliary-Pancreatic Surgery and Transplant Surgery, Dept of Surgery, Asahikawa Medical Univ)

PD-06-10 Management of bleeding around the trunk of the vein of Henle during laparoscopic colectomy using multiple approaches

Shintaro Hashimoto(Department of Surgery, Nagasaki University)

PD-06-11 Management of major vascular injuries during thoracic surgery

Akie Horikiri(Div of General Thoracic Surgery, Dept of Surgery, Jichi Medical Univ)

PD-06-12 Management of Pulmonary Artery and Pulmonary Vein Injuries During Anatomical Lung Resection: How We Controlled Catastrophic Intraoperative Bleeding

Takeshi Mimura(Dept of General Thoracic Surgery, NHO Kure Medical Center and Chugoku Cancer Center)

PD-06-13 Intraoperative Bleeding and Safe Skill Acquisition in Thoracic Surgery

Natsuko Kawatani(Division of General Thoracic Surgery, Integrative Center of General Surgery, Gunma University Hospital.)

PD-06-14 A study of intraoperative vascular injuries treated in vascular surgery

Yuka Kondo(Department of Surgery, Fujita Health University Bantane Hospital School of Medicine)

PD-06-15 Sutureless Repair Technique for Intraoperative Venous Injury Using Hydrophit®

Yoshinori Nakahara(Department of Surgery, Sakakibara Heart Institute)

Panel Discussion-7(PD-07)

Optimal Gastrointestinal Reconstruction Following Esophageal Cancer Surgery
April 23rd (Thu.) 15:10-17:10 Room 8 (Grand Mercure Sapporo Odori Park, 3F, Ball Room A)
Chairperson:Shirakawa Yasuhiro(Hiroshima City Hiroshima Citizens Hospital)
Chairperson:Abe Tetsuya(Department of Gastroenterological Surgery, Aichi Cancer Center Hospital)
Special Remarks:Ozawa Soji(Tama Kyuryo Hospital)

PD-07-1 The True Value of Reconstruction Methods Determining Postoperative Quality of Life in Esophageal Cancer: An Evaluation from Nutritional and General Health Perspectives

Keisuke Kosumi(Dept of Gastroenterological Surgery, Kumamoto Univ)

PD-07-2 Study on the Efficacy of Subtotal Gastric Conduit Reconstruction with Attention to Intramural Blood Flow

Yasushige Takeda(Dept of Gastroenterological Surgery, Okayama Univ)

PD-07-3 Overcoming Anastomotic Complications after Esophagectomy with Gastric Conduit Reconstruction: The Clinical Value of the Modified Collard Technique

Eiji Higaki(Dpt of Gastroenterological Surgery, Aichi Cancer Center Hospital)

PD-07-4 Institutional Experience with Cervical Esophagogastric Anastomosis Following Subtotal Esophagectomy

Takahito Sugase(Dept of Gastroenterological Surgery, Osaka International Cancer Institute)

PD-07-5 A study of esophageal reconstruction methods based on postoperative GERD, Barrett's epithelium, and nutritional indicators

Masanobu Nakajima(Department of Upper Gastrointestinal Surgery, Dokkyo Medical University)

PD-07-6 Comparison the short-and long-term outcomes of pediculate jejunum versus ileum and colon reconstructions after esophagectomy when the stomach cannot be used as an organ of substitution

Yukari Adachi(Division of Gastrointestinal Surgery, Dept of Surgery, Kobe Univ)

PD-07-7 Double-Tract Reconstruction with Pedicled Jejunum and Remnant Stomach Preservation after Esophagectomy

Tomohiro Hamazaki(Department of Surgery, Hiroshima City Hiroshima Citizens Hospital)

PD-07-8 Optimal Reconstruction Strategies Following Total Pharyngolaryngoesophagectomy

Masayoshi Terayama(Department of Gastroenterological Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research)

Panel Discussion-8(PD-08)

Future Perspectives in the Management of Advanced Hepatocellular Carcinoma Based on Resectability Classification
April 23rd (Thu.) 8:30-10:30 Room 9 (Grand Mercure Sapporo Odori Park, 3F, Ball Room B)
Chairperson:Yokoo Hideki(Division of HBP and Transplant Surgery, Asahikawa Medical University)
Chairperson:Hatano Etsuro(Department of Hepato-Biliary-Pancreatic Surgery and Transplantation, Kyoto University)

PD-08-1 Preoperative chemotherapy for Borderline resectable Hepatocellular carcinoma

Yoshinori Takeda(Dept of HBP Surgery, Juntendo Univ)

PD-08-2 The significance of curative-intent surgery combined with multidisciplinary treatment for borderline resectable HCC

Akihiro Tanemura(Dept of Hepatobiliary Pancreatic and Transplant Surgery, Mie Univ)

PD-08-3 Treatment Strategy for Hepatocellular Carcinoma Based on Oncological Resectability Criteria: Clinical Significance of Conversion Surgery in Borderline Resectable Cases

Hidekazu Yamamoto(Dept of Hepatobiliary Surgery, Kansai Medical Univ)

PD-08-4 Hepatectomy After Systematic Therapy for Large Advanced Hepatocellular Carcinoma: A Novel Strategy to Overcome Large Tumors

Shoichiro Mizukami(Division of HBP and Transplant Surgery, Dept of Surgery, Asahikawa Medical Univ)

PD-08-5 Trends in Outcomes of Borderline Resectable Hepatocellular Carcinoma in the Era of Multimodal Therapy

Tomoaki Yoh(Department of Surgery, Graduate School of Medicine, Kyoto University)

PD-08-6 Validation of the Oncological Resectability Criteria and Future Directions for Treatment Strategies in Hepatocellular Carcinoma

Keiichi Akahoshi(Dept of Hepatobiliary and Pancreatic Surgery, Institute of Science Tokyo)

Panel Discussion-9(PD-09)

Current status and future prospects of lung transplantation in Japan
April 23rd (Thu.) 13:00-15:00 Room 9 (Grand Mercure Sapporo Odori Park, 3F, Ball Room B)
Chairperson:Yoshinori Okada(Dept of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku Univ)
Chairperson:Masaaki Sato(Deparment of Thoracic Surgery, The Univ of Tokyo)

PD-09-1 Advances and Innovations in Lung Transplantation

Kazuhiro Yasufuku(Division of Thoracic Surgery, Toronto General Hospital, UHN, University of Toronto)

PD-09-2 Should we keep the rules made a quarter century ago? Consideration on age limitation and allocation

Sato Masaaki(Department of Thoracic Surgery, The University of Tokyo)

PD-09-3 Current status and future of pediatric lung transplantation: Insights from an institutional experience focusing on living-donor lung transplantation

Satona Tanaka(Department of Thoracic Surgery, Kyoto University Hospital)

PD-09-4 Future perspective of Japanese lung transplant medicine from the aspect of national health insurance(Impact of 2026 Revision of Medical Fees)

Takeshi SHIRAISHI(Fukuoka University Hospital)

PD-09-5 Reforming the Medical Consultant (MC) System for Lung Transplantation in the Era of Increasing Donor Numbers

Hisashi Oishi(Dept of Thoracic Surgery, Institute of Development, Aging and Cancer, Tohoku Univ)

PD-09-6 The current landscape and future prospects of lung transplantation in Japan: the role of a newly established center in Hokkaido

TATSUYA KATO(Dept of Thoracic Surgery, Hokkaido University Hospital)

Panel Discussion-10(PD-10)

Reconsidering biological borderline resectable pancreatic cancer
April 23rd (Thu.) 8:30-10:30 Room 10 (Grand Mercure Sapporo Odori Park, 3F, Ball Room C)
Chairperson:Masayuki Ohtsuka(Dept of General Surgery, Graduate School of Medicine, Chiba Univ)
Chairperson:Ippei Matsumoto(Dept of Surgery, Kindai Univ Faculty of Medicine)
Special Remarks:Yoshifumi Takeyama(Osaka Gyoumeikan Hosp)
Commentator:Seiko Hirono(Dept of Hepato-Biliary-Pancreatic Surgery, Hyogo Medical Univ)

PD-10-1 Reconsidering borderline resectable pancreatic cancer

Thilo Hackert(Dept. of General, Visceral and Thoracic Surgery, Univ Hosp Hamburg-Eppendorf, Germany)

PD-10-2 Refining Resectability Beyond Imaging: CA19-9 and DUPAN-2—but Not CEA—Define Prognostic Biology in PDAC

Kenichiro Uemura(Department of Surgery, Hiroshima University)

PD-10-3 Utility of DUPAN-2 in Redefining Biological Borderline Resectable Pancreatic Cancer

Koki Hamano(Dept of Surgery, Div of HBP Surgery, Kobe Univ)

PD-10-4 Biological borderline resectable pancreatic cancer defined by pretreatment PNI and preoperative serum CA19-9 level: Prognostic impact and the role of neoadjuvant chemotherapy

Michinori Matsumoto(Dept of Surgery, The Jikei University School of Medicine)

PD-10-5 Neoadjuvant chemotherapy for anatomical and biological borderline resectable pancreatic cancer

Yoshitaro Shindo(Department of Gastroenterological, Breast and Endocrine Surgery, Yamaguchi University Graduate School of Medicine)

PD-10-6 CA19-9-oriented neoadjuvant strategy for biologically borderline resectable pancreatic cancer

Yasunari Fukuda(Department of Gastroenterological Surgery, Osaka International Cancer Institute)

PD-10-7 Prognostic Prediction and Therapeutic Strategy Construction in Pancreatic Cancer Using  Machine Learning, and CA19-9

Yuki Homma(Dept. of Gastroenterological Surgery, Yokohama City Univestiy)

Panel Discussion-11(PD-11)

Current treatment strategies for colorectal liver metastases
April 23rd (Thu.) 13:00-15:00 Room 10 (Grand Mercure Sapporo Odori Park, 3F, Ball Room C)
Chairperson:Tomoharu Yoshizumi(Dept of Surgery and Science, Kyushu Univ)
Chairperson:Kiyoshi Hasegawa(Hepato-Biliary-Pancreatic Surgery Div, Dept of Surgery, The Univ of Tokyo)
Special Remarks:Katsuhiko Yanaga(Kurashige Hosp)

PD-11-1 Modern treatment of permanently irresectable colorectal liver metastases(iCLM)

René Adam(Paul Brousse Hosp, Hepato-Biliary Center, France)

PD-11-2 Therapeutic strategies for initially unresectable colorectal liver metastases: Role of conversion therapy and liver transplantation.

Shinya Okumura(Dept of Surgery, Kyoto Univ)

PD-11-3 Utility of the Beppu score in determining the indication for adjuvant chemotherapy after resection of colorectal liver metastases

Shotaro Miyashita(Dept of Colorectal Surgery, Dokkyo Medical Univ)

PD-11-4 EORTC1527/JCOG1609INT: DW-MRI Assessment of Disappearing Liver Metastasis to Improve Surgical Planning (DREAM): Exploratory analysis

Kozo Kataok(Division of Lower GI, Dept of Gastroenterological Surgery, Hyogo Medical Univ)

PD-11-5 The Unchanging challenge: an analysis of recurrence risk after multiple liver resections for colorectal liver metastases

Yoshikuni Kawaguchi(Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery, The University of Tokyo)

PD-11-6 New resectability of CRLM by Maximum Diameter x Number: MDN and treatment strategy using ADC value

Shinichiro Yamada(Dept of Digestive and Transplant Surgery, Tokushima Univ)

PD-11-7 The multimodal treatment strategy for multiple colorectal liver metastasis

Shinichiro Hasegawa(Dept of Gastroenterological Surgery, The University of Osaka)

Panel Discussion-12(PD-12)

The Current State of preserving autologous heart operation: Current Status of Surgical Strategies for Advanced Heart Failure
April 23rd (Thu.) 8:30-10:30 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Matsumiya Goro(Department of Cardiovascular Surgery, Chiba University Graduate School of Medicine)
Chairperson:Wakasa Satoru(Dept of Cardiovascular Surgery, Hokkaido University)
Special Remarks:Matsui Yoshiro(Professor Emeritus, Hokkaido Univ / Director, Hanaoka Seishu Memorial Hospital)

PD-12-1 Optimizing Contemporary Medical Therapies to Maximize the Benefits of Native Heart Preserving Surgery

Toshiyuki Nagai(Dept of Cardiovasc Med, Hokkaido Univ)

PD-12-2 Regenerative therapy for ischemic cardiomyopathy with microcirculatory dysfunction

Shigeru Miyagawa(Department of Cardiovascular Surgery, Graduate School of Medicine, The University of Osaka)

PD-12-3 The long-term results of left ventricular reconstruction for ischemic cardiomyopathy and the characteristics of successful LVR cases

Koji Furukawa(Dept of Cardiovascular Surgery, University of Miyazaki)

PD-12-4 Impella Supported Surgery in Mitral Valve Surgery for Low LV function patients

Senri Miwa(Okamura Memorial Hospital)

PD-12-5 Study on long term survivors after non-transplant surgery for dilated cardiomyopathy

Tadashi Isomura(Dept of Cadiovasc Surgery, Kasai Shoikai Hospital)

Panel Discussion-13(PD-13)

Ischemia–Reperfusion and Immune Responses in Organ Transplantation
April 23rd (Thu.) 8:30-10:30 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Kenmochi Takashi(Department of Organ Transplant Surgery, Fujita Health University Hospital)
Chairperson:Eguchi Susumu(Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences)

PD-13-1 Therapeutic strategies for ischemia-reperfusion and immune responses in kidney transplantation

Hitoshi Iwamoto(Department of kidney Transplantation Surgery, Tokyo Medical University Hachioji Medical Center)

PD-13-2 Reduction of Ischemia–Reperfusion Injury by Hypothermic Oxygenated Perfusion Preservation in Liver Transplantation

Ayaka Satoh(Dept of Surgery, Division of Digestive Surgery and Transplantology, Nagasaki Univ)

PD-13-3 B Cells Link Ischemia–Reperfusion Injury to Chronic Lung Allograft Dysfunction After Lung Transplantation

Watanabe Tatsuaki(Dept of Thoracic Surgery, IDAC, Tohoku University)

PD-13-4 Suppression of Liver Ischemia-Reperfusion Injury and Organ Protection Effects by Novel Antioxidant Nanoparticles

Kazuhiro Takahashi(Dept of GI and HBP Surgery)

PD-13-5 Modulation of Exacerbated Alloimmune Response due to Ischemia-Reperfusion Injury: A Basic Research Perspective

Yoshikazu Ganchiku(Department of Gastroenterological Surgery I, Graduate School of Medicine, Hokkaido University)

PD-13-6 Experimental Control of Liver Ischemia-Reperfusion Injury for Stable Liver Transplantation

Yoichiro Uchida(Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Dept of Surgery, Kyoto University)

PD-13-7 Synergistic Impact of Donor Aortic Calcification and Prolonged Ischemia on Early Rejection After Living Donor Liver Transplantation

Ichiya Chogahara(Dept of Gastroenterological and Transplant Surgery, Hiroshima Univ)

Panel Discussion-14(PD-14)

Advancing the Recruitment of Future Surgeons: Efforts and Achievements Across Surgical Subspecialty Societies
April 24th (Fri.) 9:00-11:00 Room 1 (Sapporo Community Plaza, 5, 6F, hitaru)
Chairperson:Saito Mitsue(Juntendo University Hospital)
Chairperson:FUJII TSUTOMU(Department of Surgery and Science, University of Toyama)

PD-14-1 Specialty Recruitment Leading to a V-Shaped Recovery — A Continuous Developmental Model Integrating Societies, Regions, and Universities —

Masanori Isobe(Dept of OBGYN, Gifu Univ)

PD-14-2 Effectiveness of a Multi-Department Online Surgical Recruitment Event (‘Geka-Navi’) on Career Motivation and Residency Entry in Japan

Shota Nakamura(Department of Thoracic Surgery, Nagoya University Graduate School of Medicine)

PD-14-3 Building a sustainable workforce: a multicenter survey of challenges faced by young thoracic surgeons in Japan

Takahiro Homma(Dept of Thoracic Surgery, St. Marianna Univ)

PD-14-4 The importance of a consistent recruitment process beginning with clinical clerkships: What university hospitals can do and should do

Yoshihiko Kakiuchi(Dept of Gastroenterological Surgery, Okayama Univ)

PD-14-5 Effect of Fifth-Year Clinical Clerkship on Students’ Interest in Gastrointestinal Surgery: Findings from a Pre- and Post Training Questionnaire Survey

Takeyoshi Nishiyama(Dept of Gastroenterological Surgery, Okayama Univ)

PD-14-6 Recruitment Activities of the Next Generation Project, Japanese Society of Hepato-Biliary-Pancreatic Surgery

Yukiko Kosai(Next Generation Project, Japan Society of Hepato-Biliary-Pancreatic Surgery)

Panel Discussion-15(PD-15)

Voices of the Pioneers: The Journey of Academic Surgeons in Translational Research
April 24th (Fri.) 15:50-17:50 Room 1 (Sapporo Community Plaza, 5, 6F, hitaru)
Chairperson:Sawa Yoshiki(The University of Osaka/ Osaka Keisatsu Hospital)
Chairperson:Toshiyoshi Fujiwara(Department of Gastroenterological Surgery, Faculty of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University)

PD-15-1 Awareness of Exit Strategies, Regulatory Pathways, and Funding in Academic Surgeon–Led Development: Insights from PMDA Review Experience and Academic Research Organization (ARO) Support

Nao Takano(Dept of Advanced Medicine, Nagoya University)

PD-15-2 Technological innovation in the field of surgery using ultra-thin fiberscopes

Tomonari Kinoshita(Division of Thoracic Surgery, The Jikei University Hospital)

PD-15-3 Advocating for Reverse Translational Research Informed by Clinical Practice

Eiji Kobayashi(Department of Kidney Regenerative Medicine, Jikei University School of Medicine)

PD-15-4 Surgeon-led translational research: Demonstrating clinical implementation through pancreatic islet transplantation and iPS cell-derived islet cell transplantation

Takayuki Anazawa(Department of Surgery, Sapporo Medical University)

PD-15-5 Our translational research toward the development of a self-assembling peptide gel to prevent post-pancreatectomy pancreatic fistula

Yoshito Tomimaru(Department of Gastroenterological Surgery, Graduate School of Medicine, The University of Osaka)

PD-15-6 The path of translational research in oncolytic adenovirus development

Shinji Kuroda(Dept of Gastroenterological Surgery, Okayama Univ)

PD-15-7 Development of combinatorial immunotherapy for advanced gastric cancer

Kosaku Mimura(Dept of Gastrointestinal Tract Surgery, Fukushima Medical University School of Medicine)

Panel Discussion-16(PD-16)

Global Perspectives on Surgical Education: The Current Landscape of Surgical Residency and Board Training Worldwide
April 24th (Fri.) 9:00-11:00 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Yamauchi Hideko(Department of Surgery, University of Hawaii)
Chairperson:Hoshi Hisakazu(Department of Surgery, Division of Endocrine Surgery and Surgical Oncology, University of Iowa Hospitals and Clinics)

PD-16-1 Beyond passion: Rethinking surgical residency in Japan and the U.S.

Hidenori Maki(Dept of Surgery, University of Hawai'i, USA)

PD-16-2 Steps to enter surgical residency and steps to become surgeons

Chikako Endo(Department of Surgery, Division of Gastroenterological, General and Transplant Surgery, Jichi Medical University)

PD-16-3 Medical educational system for surgeons in France

Yosuke Nakao(Division of Hepatobiliary and Pancreatic Surgery, Cancer Institute Hospital, Japanese Foundation for Cancer Research)

PD-16-4 Surgical Education from an International Perspective: Insights from Training Experience in Germany

Kengo Hayashi(Dept of Gastrointestinal Surgery, Kanazawa Univ)

PD-16-5 Insights from Fellow Experience: Comparing Surgical Education in Australia and Japan

Shiki Fujino(Dept of Surgery, Itami City Hospital)

PD-16-6 Report on the Swedish surgical specialist education system, its characteristics, differences with the Japanese system, and problems

SHINJI YAMAMOTO(Dept of Surgery, Uppsala Univ Hospital)

Panel Discussion-17(PD-17)

Global Surgery: Surgical Care Support Beyond Borders
April 24th (Fri.) 13:40-15:40 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Norio Sato(Dept of Emergency and Critical Care Medicine Ehime Univ)
Chairperson:Hayaki Uchino(Japan Ground Self-Defence Force, Medical Service School)
Moderator:Soichi Murakami(Dept of Gastroenterological Surgery II, Hokkaido Univ Faculty of Medicine)
Special Remarks:Masakazu Yamamoto(Utsunomiya Memorial Hosp., Japan)

PD-17-1 Global surgery – How to make an impact

Tarek Razek(International Association for Trauma Surgery and Intensive Care, Canada)

PD-17-2 Five-Year Surgical Care Support in Cambodia aiming for Self-Reliance

Akihiro Matsunaga(Kitami Gastroenterology and Proctology Miyake Clinic)

PD-17-3 Insights Gained Through 27 Years of Surgical Support to Mongolia Across Two Generations

Keitaro Kamei(Dept of Breast Surgery, Japanese Red Cross Aichi Medical Center Nagoya Daini Hospital)

PD-17-4 Support of Cardiac Surgery Project in Republic of Zambia

Takafumi Terada(Dept of Cardiac Surgery, Nagoya Univ)

PD-17-5 Our Department's Initiatives in International Surgical Medical Support: Building Sustainable Surgical Care Systems Through Education and Collaboration

Tomonori Akagi(Dept of Gastroenterological and Pediatric Surgery, Oita Univ)

PD-17-6 Successful introduction of a new pediatric endoscopic procedure in Nepal by simulation-based training using a disease-specific simulator

Masakazu Murakami(Department of Pediatric Surgery, Hokkaido Medical Center for Child Health and Rehabilitation)

PD-17-7 International contributions in pediatric living donor liver transplantation

Mureo Kasahara(Organ Transplantation Center, National Center for Chidl Health and Development)

PD-17-8 Role of Surgeons in International Disaster Medical Response: Operational Insights from the 2025 Myanmar Earthquake

Mototaka Inaba(Peace Winds Japan)

PD-17-9 Médecins Sans Frontières (MSF) implementations to ensure sustainability in the areas we work

Daiki Murakami(Department of Surgery, Tokyo Hokubu Hospital)

Panel Discussion-18(PD-18)

Fetal Diagnosis and Strategic Management in Pediatric Surgery: A Multidisciplinary Approach
April 24th (Fri.) 9:00-11:00 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Watanabe Miho(Department of Pediatric Surgery, The University of Osaka Graduate School of Medicine)
Chairperson:Ishimaru Tetsuya(Department of Surgery, National Center for Child Health and Development)

PD-18-1 Management of Fetal-Diagnosed Versus Postnatal-Diagnosed Congenital Airway Disorders

Akiyoshi Nomura(Shizuoka Children's Hospital)

PD-18-2 Management Strategies for Prenatally Diagnosed Congenital Biliary Dilatation

Masashi Kadohisa(Dept of Pediatric Surgery, Kyoto Univ)

PD-18-3 Treatment Strategy for Congenital Intestinal Atresia Diagnosed Prenatally

Taro Ikeda(Dept of Pediatric Surgery, Jichi Med Univ, Saitama Med Center)

PD-18-4 Prenatal Prognostic Factors in Congenital Diaphragmatic Hernia: A Retrospective Comparison of Survivors and Non-survivors

Shigeyuki Furuta(Department of Pediatric Surgery, St.Marianna University School of Medicine)

PD-18-5 Treatment strategy for prenatally diagnosed congenital diaphragmatic hernia

Kouji Nagata(Dept of Pediatric Surgery, Kyushu Univ)

PD-18-6 Effect of Risk-Based Delivery Planning in Prenatally Diagnosed Congenital Diaphragmatic Hernia

Yunosuke Kawaguchi(Department of Pediatric Surgery, Chiba University)

PD-18-7 Treatment Strategies for Fetal Surgical Diagnoses at the university hospital Perinatal-Maternal and Child Care Center

Yoshimasa Uematsu(Department of General-Pediatric Hepato Biliary Pancreatic Surgery, Kitasato Univ)

PD-18-8 Prenatal diagnosis and its impact on postoperative course in congenital malformations

Soichi Shibuya(Pediatric General and Urogenital Surgery, Juntendo University School of Medicine)

Panel Discussion-19(PD-19)

Surgical Rescue: Can Surgeons Entrust All Complication-Related Operations to Acute Care Surgeons?
April 24th (Fri.) 13:40-15:40 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Homma Hiroshi(Emergency and Critical Care Center,Tokyo Medical Univ)
Chairperson:Uramoto Hidetaka(Department of Thoracic Surgery, Kanazawa Medical University)

PD-19-1 Surgical Rescue starting with the Rapid Response System-The ideal model of Surgical Rescue-

Yoshihide Shimojo(Department of Acute Care Surgery, Shimane University Faculty of Medicine )

PD-19-2 Surgical Rescue as the Fifth Pillar of Acute Care Surgery: Evolution and Challenges in the United States

Kaori Ito(Dept of Surgery, Division of Acute Care Surgery, Teikyo Univ School of Medicine)

PD-19-3 Current status of surgical rescue by the Acute Care Surgery team at our institution

Makoto Uchiyama(Dept of Surgery, Teikyo Univ)

PD-19-4 Can a Team-Based System Save Surgeons? — A Study of 77 Surgical Rescue Cases

Hiroyuki Kobayashi(Dept of Surgery, Kobe City Medical Center General Hospital)

PD-19-5 Developing Acute Care Surgeons from Gastrointestinal Surgery: A Strategy for Sustainable Surgical Rescue

Katsuhiro Ogawa(Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University)

PD-19-6 Contributions of acute care surgeons to surgical rescue: A single-center experience

Fuminori Yamaji(Institute of Science Tokyo)

Panel Discussion-20(PD-20)

Oncologic Emergencies in the Era of Increasing Cancer Burden: Pursuing Optimal Emergency Care
April 24th (Fri.) 15:50-17:50 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Shibata Masahiko(Department of Gastrointestinal Tract Surgery, Fukushima Medical University)
Chairperson:Azuhata Takeo(Department of Emergency and generai midicine, Azuhata Hospital)
Commentator:Hiramatsu Masako(Department of Surgery Takatsuki Red Cross Hospital)

PD-20-1 Oncologic Emergency – Responding to the Increasing Number of Cancer Patients

Takeo Azuhata(Azuhata hospital, department of Emergency and General medicine)

PD-20-2 Treatment for oncologic emergecy of colon cancer in our hospital

Takahiro Akiyama(Dept of Surgery, Odawara Municipal Hospital)

PD-20-3 Management and outcomes of tracheoesophageal fistula in locally advanced esophageal cancer

Hijiri Matsumoto(Dept of Gastroenterological Surgery , Okayama Univ)

PD-20-4 Outcomes of gastrojejunostomy with R-Y reconstruction for malignant gastric outlet obstruction

Yasunori Nishida(Department of Surgery, Aizawa Hospital)

PD-20-5 Impact of frailty and nutritional status on outcomes of palliative surgery for malignant bowel obstruction in patients with unresectable or recurrent cancer

Mayu Goto(Dept of General and Gastroenterological Surgery, Toho Univ Omori Medical Center)

PD-20-6 Case series of oncologic emergencies in thoracic surgery: a retrospective single center study

Ei Miyamoto(Dept of Thoracic Surgery, Tenri Hospital)

Panel Discussion-21(PD-21)

Open Repair versus TEVAR: Defining Best Practices in the Management of Aortic Arch Aneurysms
April 25th (Sat.) 10:10-12:10 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Saiki Yoshikatsu(Division of Cardiovascular Surgery)
Chairperson:Kunihara Takashi(Department of Cardiac Surgery, The Jikei University School of Medicine)

PD-21-1 Mid-Term Clinical Outcomes of Retrograde In Situ Branched Stent Grafting in High-Risk Aortic Arch Aneurysms

Kota Shukuzawa(Division of Vascular Surgery, Department of Surgery, The Jikei University School of Medicine, Tokyo.)

PD-21-2 Endovascular repair for aortic arch pathologies involving zones 1 and 2: Technical feasibility and outcomes

Kenichi Hashizume(Dept of Cardiovascular Surgery, Keio Univ)

PD-21-3 Total Arch Repair for Aortic Arch Aneurysms: Endovascular vs. Open Surgery and Technical Evolution Toward Improved Long-Term Outcomes

Ryo Ikeda(Department of Cardiovascular Surgery, Tokyo Women's Medical University Hospital)

PD-21-4 Long-term outcomes of total aortic arch replacement using selective antegrade cerebral perfusion over 25 years

PD-21-5 The Optimal Management of Aortic Arch Aneurysms:A Proposal for Aortic Treatment Strategy Using Preemptive TEVAR for Type B Aortic Dissection

Ken Nakamura(Department of Cardiovascular Surgery, Hihonkai General Hospital, Yamagata, Japan)

Panel Discussion-22(PD-22)

Perspectives from Young Surgeons: Rethinking the Current Paradigm of Surgical Education
April 25th (Sat.) 8:00-10:00 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Takami Hideki(Department of Gastrointestinal and Surgical Oncology, Nagoya University Hospital)
Chairperson:Fujikawa Aoi(Department of Surgery, Kurume University)

PD-22-1 Enhancing surgical education for the next generation: A proposal to systematize proven training methods

Hiroto Kato(Okazaki city hospital)

PD-22-2 More Time, Less Mastery? New Challenges in Surgical Residency Training.

Kai Nakao(Kobe City Medical Center General Hospital)

PD-22-3 Paradoxes in Contemporary Breast Surgery Education: Navigating the Challenges for the Next Generation

Riho Tabata(Department of Surgery, Division of Endcrine & Breast Surgery, Kyoto Prefectual University of Medicine)

PD-22-4 A young surgeon's proposal: Aspiring to become an acute care surgeon

Daisuke Katayama(Dept of Surgery, Seirei Hamamatsu General Hospital)

PD-22-5 Proposals for Improving the Surgical Specialist Training System Based on Firsthand Experience

Hiroyuki Nakamura(Dept of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe Univ)

PD-22-6 Preventing burnout and shaping the future of surgical education: Perspectives from young surgeons

Kaito Sano(Department of Gastroenterological Surgery II, Hokkaido University)

Panel Discussion-23(PD-23)

Optimizing the Use of Frozen Elephant Trunk Devices in Aortic Surgery
April 25th (Sat.) 10:10-12:10 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Yoshitake Akihiro(Saitama Medical University International Medical Center)
Chairperson:Inoue Yosuke(Department of Vascular Surgery, National Cerebral and Cardiovascular Center,Suita,Osaka,Japan)

PD-23-1 FET Device Selection in Total Arch Replacement: A TAR-FET Strategy Based on Diameter Mismatch and Treatment Length

Koki Yokawa(Department of Cardiovascular Surgery, Kakogawa Central City Hospital)

PD-23-2 Individualization and Standardization of FET Device Selection: An Outcomes-Based Institutional Approach

Shingo Hirao(Department of Cardiovascular Surgery, Kurashiki Central Hospital)

PD-23-3 Indications and clinical outcomes of partial ET

Homare Okamura(Department of Cardiovascular Surgery, Saitama Medical Center, Jichi Medical University)

PD-23-4 Aneurysm shape and sac shrinkage after total arch replacement with frozen elephant trunk for true aortic arch aneurysm

Shinji Abe(Department of Cardiovascular Surgery)

PD-23-5 The utility of Hybrid-FET for acute dissection: experience gained and lessons learned

Gyoten Takayuki(International Medical Center, Saitama Medical Univ)

PD-23-6 The Evolution of Frozen Elephant Trunk Adaptations and their Distinct Applications

YOSUKE INOUE(Department of Vascular Surgery, National Cerebral and Cardiovascular Center, Suita,Osaka Japan)

Panel Discussion-24(PD-24)

Long-Term Outcomes after Repair of Esophageal Atresia: Surgical Techniques and Their Impact on Anastomotic Stricture and Tracheal Function
April 25th (Sat.) 8:00-10:00 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Miyagi Hisayuki(Division of Pediatric Surgery, Asahikawa Medical University)
Chairperson:Kawahara Insu(Department of Gastroenterological Surgery 1 Hokkaido University)

PD-24-1 Key considerations in the long-term follow-up after esophageal atresia repair: Impact of reoperation and long-term complications including anastomotic stricture on physical and neurodevelopmental outcomes

Kai Konishi(Dept of Pediatric Surgery, Kyoto Prefectural University of Medicine)

PD-24-2 Clinical features in cases of congenital oesophageal atresia.

Keita Motoki(Division of Pediatric Surgery, Department of Surgery, Asahikawa Medical University)

PD-24-3 Long-term physical growth after esophageal atresia repair

Hiromu Miyake(Dept of Pediatric Surgery, Shizuoka Children's Hospital)

PD-24-4 Analysis of mid- and long-term outcomes after radical operation of esophageal atresia in our hospital

Tetsuro Kamimura(Department of Pediatric Surgery, Japan Community Healthcare Organization Kyusyu Hospital)

PD-24-5 A study of the risk of anastomotic leakage after congenital esophageal atresia repair using risk factors for anastomotic leakage after esophageal cancer surgery

Shoichi Tsuzaka(Department of Pediatric Surgery, Saitama Children's Medical Center, 1-2, Shintoshin, Chuo-ku, Saitama-city, Saitama)

PD-24-6 Our treatment strategy for postoperative anastomotic stenosis and tracheomalacia in congenital esophageal atresia

Kyoko Mochizuki(Dept of Surgery, Kanagawa Children's Medical Center)

PD-24-7 Minimally Invasive Surgical Strategies for Esophageal Atresia: A Retrospective Study Focusing on Thoracoscopic Repair

Seitaro Kosaka(Dept of Pediatric General and Urogenital Surgery, Juntendo University)

PD-24-8 Long-term outcome of congenital esophageal atresia: our institutional experience and analysis of big data.

Jun Fujishiro(Dept of Pediatric Surgery, The University of Tokyo)

Panel Discussion-25(PD-25)

Conversion Surgery for Gastric Cancer: Current Treatment Outcomes
April 25th (Sat.) 8:00-10:00 Room 8 (Grand Mercure Sapporo Odori Park, 3F, Ball Room A)
Chairperson:Kakeji Yoshihiro(Division of Gastrointestinal Surgery, Kobe University Graduate School of Medicine)
Chairperson:tanaka chie(Department of Surgery (Gastrointestinal Surgery), Nagoya University Hospital)
Commentator:Terashima Masanori(Department of Gastric Surgery, Shizuoka Cancer Center)

PD-25-1 Characteristics of conversion surgery cases for gastric cancer -Multicenter retrospective cohort study (OGSG2301)-

Yuichiro Miki(Department of Gastroenterological Surgery, Osaka Metropolitan University)

PD-25-2 Conversion Surgery after Chemo or ICI–Chemo in First-Line Responders with HER2-Negative Unresectable Gastric Cancer: An ETS-Stratified Analysis

Yuki Ushimaru(Department of gastroenterological surgery, Osaka International Cancer Institute)

PD-25-3 Comparison of Short- and Long-Term Outcomes between Minimally Invasive and Open Conversion Surgery for Gastric Cancer: A Multicenter Retrospective Cohort Study

Yusuke Fujii(Dept of Surgery, Kyoto Univ)

PD-25-4 Surgery after response to combined intraperitoneal and systemic chemotherapy for gastric cancer with peritoneal metastasis

Hiroharu Yamashita(Dept of Surgery, Division of Gastroenterological, General and Transplant Surgery, Jichi Medical University)

PD-25-5 Long-term Outcomes and Prognostic Factors of Conversion Surgery after Intraperitoneal Chemotherapy for Stage IV Gastric Cancer

Yuki Okawa(Tonan Hospital)

PD-25-6 Clinical Outcomes and Future Perspectives of Conversion Surgery in Advanced Gastric Cancer

Takaaki Arigami(Dept of Digestive Surgery, Kagoshima Univ)

PD-25-7 Prognostic Factors in cStage IV Gastric Cancer Undergoing Conversion Surgery: A Stratified Analysis by Site of Distant Metastasis

Masaaki Motoori(Dept of Surgery, Osaka General Medical Center)

Panel Discussion-26(PD-26)

Optimizing Intrathoracic Reconstruction for Esophagogastric Junction Cancer
April 25th (Sat.) 10:10-12:10 Room 8 (Grand Mercure Sapporo Odori Park, 3F, Ball Room A)
Chairperson:Inaki Noriyuki(Department of Gastrointestinal Surgery / Breast Surgery)
Chairperson:Ebihara Yuma(Department of Gastroenterological Surgery II, Hokkaido University Hospital)

PD-26-1 Oncological Safety and Clinical Outcomes of Intrathoracic Anastomosis in Esophagogastric Junction Cancer

Masazumi Sakaguchi(Dept of Surgery, Kyoto Univ)

PD-26-2 Intrathoracic reconstruction using a thoracoscopic left thoracic approach combined with laparoscopy (MALTA; Minimally invasive Abdominal and Left Thoracic Approach) for esophagogastric junction cancer

Takeo Nitta(Department of Gastroenterological Surgery II, Hokkaido University Faculty of Medicine)

PD-26-3 Improving the Safety of Intrathoracic Reconstruction for Esophagogastric Junction Cancer: Focusing on the “Doble-flap technique”

Yuya Tanaka(Dept of Surgery, Kurume University)

PD-26-4 The utility of the mediastinal y-shaped m-SOFY reconstruction for esophagogastric junction cancer

Takuro Saito(Dept of Clinical Research in Tumor Immunology, Osaka Univ)

PD-26-5 The impact of double tract reconstruction in the lower mediastinum and esophago-gastric overlap anastomosis in the upper mediastinum for Esophagogastric junction adenocarcinoma on post-operative complication

Naoshi Kubo(Department of Gatroenterological Surgery, Osaka City General Hospital)

PD-26-6 Efficacy of the Non-Flap Tunnel Technique (NFTT) and Robot-Assisted Surgery in Mediastinal Reconstruction after Proximal Gastrectomy

Souya Nunobe(Department of Gastric Surgery, Cancer Institute Hospital)

Panel Discussion-27(PD-27)

Surgical Strategies for Upper Gastrointestinal Surgery in High-Risk Patients
April 25th (Sat.) 13:50-15:50 Room 8 (Grand Mercure Sapporo Odori Park, 3F, Ball Room A)
Chairperson:Saeki Hiroshi(Department of Gastrointestinal Surgery, Gunma University)
Chairperson:Saito Kana(Fujioka General Hospital)
Special Remarks:Natsugoe Shoji(Kajiki Onsen Hospital)
Commentator:Takiguch Shuji(Dept of Gastroenterological Surgery, Nagoya City University)

PD-27-1 Age-Dependent Prognostic Value of Cachexia Index and Related Markers in Upper GI Cancer Surgery

Kotaro Sugawara(Dept of GI Surgery, The University of Tokyo)

PD-27-2 Optimizing Surgical Strategy for High-Risk Elderly Patients with Gastric Cancer: Stratification of Functional and Survival Prognosis Using a Preoperative Risk Score

Masahiro Soga(Dept of Surgery, Nara Medical Univ)

PD-27-3 Implementation of Personalized Medicine Based on Comprehensive Geriatric Assessment (CGA) in Elderly Patients with Esophageal Cancer: Prognostic Value of a Novel Geriatric Stage (gStage) Classification

Naomichi Koga(Department of Gastrointestinal Surgery, National Hospital Organization Kyushu Cancer Center)

PD-27-4 Application of the G8 geriatric screening tool to minimally invasive esophagectomy and perioperative nutritional intervention

Koichi Okamoto(Dept of General and Digestive Surgery, Kanazawa Medical Univ)

PD-27-5 Surgical Strategies for High-Risk Esophageal and Gastric Cancer: Innovations in Total-Care to Improve Outcomes

Ryo Takeda(Department of Surgery, Kyoto Daiichi RedCross Hospital)

PD-27-6 Efficacy of Prophylactic Supraclavicular Node Dissection in Elderly Esophageal Cancer Patients: A Multicenter Retrospective Study

Yohei Ozawa(Department of Surgery, Tohoku University Graduate School of Medicine)

PD-27-7 Usefulness of mediastinoscopic minimally invasive esophagectomy for patients with low respiratory funtion

Koichi Yagi(Dept of Gastrointestinal Surgery, The Univ. of Tokyo)

PD-27-8 Validity of Limited Lymph Node Dissection for High-Risk Gastric Cancer Patients Stratified by the NCD Risk Calculator

Kenji Kuroda(Dept of Gastroenterological Surgery, Osaka Metropolitan Univ)

Panel Discussion-28(PD-28)

Colorectal Cancer Treatment from the Perspective of Healthcare Economics
April 25th (Sat.) 8:00-10:00 Room 9 (Grand Mercure Sapporo Odori Park, 3F, Ball Room B)
Chairperson:Kinugasa Yusuke(Division of Gastrointestinal Surgery, Institute of Science Tokyo)
Chairperson:Yamaguchi Tomohiro(Department of Colorectal Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research)

PD-28-1 Cost analysis and reduction efforts for robot-assisted surgery.

Tadahiro Kojima(Division of Colon and Rectal Surgery, Shizuoka Cancer Center)

PD-28-2 Device-Specific Cost Comparison of Robotic Colorectal Surgery: A Two-Axis Evaluation Using Surgical Profitability and DPC-Based Revenue

Koki Otsuka(Department of Advanced Robotic and Endoscopic Surgery, Fujita Health University)

PD-28-3 Robotic surgery in combination with TaTME for lower rectal cancer, considering the cost

Masayuki Ando(Division of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine)

PD-28-4 Efforts to Reduce Length of Hospital Stay and Healthcare Costs After Ileostomy Construction: The Importance of Preoperative Orientation and Living Environment

Takahiro Shigaki(Department of Surgery, Kurume University School of Medicine)

PD-28-5 Total Neoadjuvant Therapy for Rectal Cancer from the Perspective of Medical Cost

Shimpei Matsui(Dept of Colorectal Surgery, JFCR, Cancer Institute Hospital)

PD-28-6 Preoperative Treatment Strategies for Rectal Cancer from a Healthcare Cost Perspective

Yuichiro Tsukada(Department of Colorectal Surgery, National Cancer Center Hospital East)

Panel Discussion-29(PD-29)

Perspectives on the future of pelvic exenteration
April 25th (Sat.) 10:10-12:10 Room 10 (Grand Mercure Sapporo Odori Park, 3F, Ball Room C)
Chairperson:Yukihide Kanemitsu(Dept of Colorectal Surgery, National Cancer Center)
Chairperson:Hideaki Yano(Univ Hosp Southampton, UK)

PD-29-1 Perspectives on the future of pelvic exenteration

Michael Solomon(Univ of Sydney, Australia)

PD-29-2 The challenge following PelvEx Collaborative: Establishing global benchmarks for pelvic exenterationl surgery

Yukihide Kanemitsu(Department of Colorectal Surgery, National Cancer Center)

PD-29-3 Standardized Classification of Conventional and High-Complexity Pelvic Exenteration

Kei Kimura(Division of Lower GI, Department of Gastroenterological Surgery, Hyogo Medical University)

PD-29-4 Transanal/Transperineal Pelvic Exenteration: Indications and Significance of Sphincter Preservation

Toshiyuki Adachi(Nagasaki University, Department of Surgery)

PD-29-5 Comparison of robot-assisted, laparoscpic and open surgery for pelvic exenteration in primary rectal cancer: a secondary analysis of a multicenter study

Shoma Yamamoto(Dept of Gastrointestinal Surgery, Institute of Science Tokyo)

PD-29-6 Feasibility and Challenges of Minimally Invasive Approaches in Pelvic Exenteration: Evidence and Surgical Strategy Based on 179 Cases

Mitsunobu Takeda(Dept of Gastroenterological Surgery, Osaka Univ)

PD-29-7 Validation of the UKPEN Lexicon for Beyond TME Surgery: A 665-Patient Analysis of Perioperative and Oncological Outcomes

Teppei Miyakawa(Dept of Colon and Rectal Surgery, University of Texas MD Anderson Cancer Center)

PD-29-8 History of 140 Pelvic Exenterations for Advanced/Recurrent Rectal Cancer: Lessons Learned and Future Perspectives

Atsushi Ogura(Dept of Surgery, Nagoya University Hospital)

Panel Discussion-30(PD-30)

Optimal Therapeutic Strategies for Pancreatic Cancer in the Elderly
April 25th (Sat.) 8:00-10:00 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Endo Itaru(Department of Gastrointestinal and Surgical Oncology, Yokohama CIty University Graduate School of Medicine)
Chairperson:Eguchi Hidetoshi(Dept of Gastroenterological Surgery, The University of Osaka)
Special Remarks:Kimura Wataru(Touto Kasukabe Hospital)

PD-30-1 Surgical Outcomes of Pancreatic Ductal Adenocarcinoma in Elderly Patients

Sho Kiritani(Division of Hepatobiliary and Pancreatic Surgery, Cancer Institute Hospital of the Japanese Foundation for Cancer Research)

PD-30-2 Outcomes of pancreatoduodenectomy for elderly patients with pancreatic cancer and the impact of preoperative rehabilitation

Hideyuki Dei(Dept of HBP Surgery Shizuoka Cancer Center)

PD-30-3 Surgical Indication Criteria to Avoid Futile Pancreatectomy in Octogenarians with Pancreatic Cancer

Yosuke Mukai(Department of Gastroenterological Surgery, Graduate School of Medicine, The University of Osaka)

PD-30-4 Safety and efficacy of pancreatic resection in super-elderly patients with pancreatic cancer: a propensity score matching analysis

Kentaro Miyake(Dept of Gastroenterological Surgery, Yokohama City Univ)

PD-30-5 Treatment outcomes of octogenarians with resectable or borderline resectable pancreatic cancer

Jun Ishida(Div of HBP Surg, Dept of Surg, Kobe Univ)

PD-30-6 Safety and efficacy of carbon-ion radiotherapy in patients aged ≥80 years with pancreatic cancer

Tetsuro Isozaki(National Institutes for Quantum Science and Technology QST Hospital)

Panel Discussion-31(PD-31)

Surgical Management of Malignant Tumors Requiring Chest Wall Reconstruction
April 25th (Sat.) 13:50-15:50 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Kitada Masahiro(Department of Thoracic and Brest Surgery, Asahikawa Medical University Hospital)
Chairperson:Maniwa Yoshimasa(Division of Thoracic Surgery, Kobe University Graduate School of Medicine)

PD-31-1 Chest Wall Resection and Reconstruction for Thoracic Malignancies: Surgical Techniques in Practice

Daisuke Saito(Dept of Thoracic Surgery, Kanazawa Univ)

PD-31-2 Reconstruction after Resection of Malignant Chest Wall Lesions: Selection of Materials and Reconstruction Techniques

Ryusei Yoshino(Department of Thoracic Surgery, Asahikawa Medical University Hospital)

PD-31-3 Lung cancer resection with combined bony chest wall and/or diaphragm resection

Makoto Sonobe(Dept of Chest Surgery, Osaka Red Cross Hospital)

PD-31-4 Chest wall resection and reconstruction for chest wall malignancies

Kazuhiko Shien(Dpt of Thoracic Surgery, Okayama Univ Hosp)

PD-31-5 Therapeutic strategies for malignant tumors of the chest wall with reconstruction following chest wall resection

Ayaka Asakawa(Dept of Thoracic Surgery, Institue of Science Tokyo)

PD-31-6 Chest Wall Reconstruction After Chest Wall Resection: A Clinical Study

Eriko Fukui(Dept of General Thoracic Surgery, Osaka University Graduate School of Medicine)

Workshop(WS)

Workshop-1(WS-01)

Robot-Assisted versus Laparoscopic Surgery for Colon Cancer: Does Robotics Offer a Superior Approach?【video】
April 23rd (Thu.) 8:30-10:30 Room 2(Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Yamaguchi Shigeki(Department of Gastrointestinal and General Surgery, Tokyo Women's Medical University)
Chairperson:Watanabe Jun(Department of Colorectal Surgery, Kansai Medical University)

WS-01-1 Outcomes of robot-assisted surgery for colon cancer at our institution

yudai yamamoto(Dept of Gastrointestinal Surgery, Institute of science Tokyo)

WS-01-2 A comparative study of short-term and long-term outcomes of robot-assisted surgery versus laparoscopic surgery for colorectal cancer

MAHO TOYOTA(Dept of Surgery, Division of Gastroenterological Surgery, Sapporo Medical University)

WS-01-3 Short- and Long-Term Outcomes and Surgical Techniques for Robot-Assisted Colon Cancer Surgery at Our Institution

Yudai Fukui(Department of Gastroenterological Surgery, Toranomon Hospital)

WS-01-4 Efficacy and Optimization of Robotic Surgery for Colon Cancer by Tumor Location: Comparison with Laparoscopy and Refinements for Transverse Colon Cancer

KENTA KASAHARA(Dept of Digestive and Pediatric Surgery, Tokyo Medical University )

WS-01-5 Comparative Analysis of Robotic and Laparoscopic Surgery in Colon Cancer by Tumor Location

Yoshihiro Mori(Dept of Colorectal Surgery, Kansai Medical Univ)

WS-01-6 The true value of the double bipolar technique in robotic right colectomy — a novel alternative beyond monopolar

YOSHIAKI FUJII(Kariya Toyota General Hospital)

WS-01-7 Clinical Significance of da Vinci SP Surgery for Right-Sided Colon Cancer Compared with Single-Incision Laparoscopic Surgery

Chikashi Hiranuma(Dept of Gastroenterological Surgery, Saitama Medical University International Medical Center)

Workshop-2(WS-02)

Surgery Opening New Frontiers in Oncology: Insights from Cutting-Edge Cancer Genomics through Surgical Specimens
April 23rd (Thu.) 13:00-15:00 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Saito Motonobu(Dept of Gastrointestinal Tract Surgery, Fukushima Medical Univ)
Chairperson:Hashimoto Tadayoshi(Department of Gastrointestinal Oncology, Translational Research Support Office, and Perioperative Treatment Development Promotion Office, National Cancer Center Hospital East)
Special Remarks:Kato Hiroyuki(Professor Emeritus, Hokkaido Univ)

WS-02-1 Spatial Atlas of Tumor-Infiltrating T Cells in Resected Esophageal Cancer

Kiwa Son( Dept of Surgery and Oncology, Kyushu Univ)

WS-02-2 Xenium in situ reveals MregDC-centered immunosuppressive niches in metastatic lymph nodes of esophageal cancer

Masaki Imamura(Dept of Surgery and Oncology, Kyushu Univ)

WS-02-3 Genomic analysis of clinical specimens from gastric adenocarcinoma and proximal polyposis of the stomach (GAPPS) and its application to surveillance methods

Chihiro Matsumoto(Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University)

WS-02-4 Integrated Analysis of Genomic, Epigenomic, and Tumor Microenvironmental Features in Colorectal Cancer: Evaluation of CD8⁺ T Cell Exhaustion Using Multiplex Immunofluorescence

Nobuhiro Nakazawa(Dept of General Surgical Science, Gunma Univ, Dept of Pathology, Brigham and Women's Hospital Harvard Medical School)

WS-02-5 Unraveling Tumor Microenvironment Changes Associated with Combination Immunotherapy for Hepatocellular Carcinoma Using Single-Cell Analysis

Hitoshi Iwasaki(Deptof Surgery, Kyushu Univ)

WS-02-6 Analysis of Tumor Microenvironment Characteristics and Clinical Significance of TLS in EGFR-Positive Lung Cancer Patients

Hikaru Yamaguchi(Chest surgery,Fukushima Medical Univercity)

WS-02-7 Spatial Pharmacology of Tamoxifen and Its Metabolites in Breast Cancer: MALDI-TOFMS and Spatial Omics Analysis

Chikage Kato(Dept of Endocrine and Breast Surgery, Kyoto Pref. Univ. Med)

Workshop-3(WS-03)

Translational Research in Colorectal Cancer: Bridging Bench and Bedside
April 23rd (Thu.) 13:00-15:00 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Uetake Hiroyuki(Disaster Medical Center, National Hospital Organization)
Chairperson:Mimori Koshi(Kyushu University Beppu Hospital)

WS-03-1 Elucidation of outgrowth mechanism of colorectal cancer micrometastasis by leveraging disseminated tumor cell (DTC) organoid

Satoshi Nagayama(Dept Surgery, Uji Tokusyukai Medical Center)

WS-03-2 Presence of adipophilin-positive cancer-associated fibroblasts is an independent poor prognostic indicator and is correlated with immature type desmoplastic reaction in patients with colorectal cancer

Toshinori Kobayashi(Department of Surgery, Kansai Medical University Kori Hospital)

WS-03-3 Development and Application of a Mixed-Culture Assay for Analyzing Molecular Targeted Drug Resistance in KRAS-Mutant Colorectal Cancer

Masato Kitazawa(Dept of Surgery, Shinshu Univ)

WS-03-4 Elucidating Molecular and Biological Changes Induced by Colorectal Stenting–Associated Mechanical Stress

Ken Imaizumi(Dept of Surgery I, Hokkaido University Hospital)

WS-03-5 Clinical Significance of GABRD as a Prognostic Biomarker and Therapeutic Target in Colorectal Cancer

Shinichi Umeda(Dept of Surgery, Nagoya Univ Hosp)

WS-03-6 Evaluation of Immunomarker Expression in Preoperative Biopsy Specimens for Predicting Chemotherapy Response in Rectal Cancer

Kohei Okamoto(Dept of Surgery, Division of Gastroenterological Surgery, Sapporo Medical University)

WS-03-7 Clinical Utility of ctDNA After Total Neoadjuvant Therapy for Locally Advanced Rectal Cancer: Results from ENSEMBLE-1 and ENSEMBLE-2

Yoshinori Kagawa(Department of Gastroenterological Surgery, Osaka International Cancer Institute)

WS-03-8 Strategy and future prospects of detecting MRD with ctDNA in colorectal cancer treatment

Takashi Kawai(Department of Surgery, Japanese Red Cross Society, Himeji Hospital)

Workshop-4(WS-04)

Colorectal Cancer Treatment in the Era of Big Data and Clinical Trials: Current Insights and Future Directions
April 23rd (Thu.) 15:10-17:10 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Ueno Hideki(Department of Surgery, National Defense Medical College)
Chairperson:Kagawa Hiroyasu(Department of Gastrointestinal Surgery, Institute of Science Tokyo)

WS-04-1 Reconsider D3 lymphadenectomy for colon cancer using a large-scale database of the nationwide colorectal cancer registry

Akira Ouchi(Dept of Gastroenterological Surgery, Aichi Cancer Center Hospital)

WS-04-2 Development of a Prognostic Prediction Model Using Machine Learning for high-risk Stage II Colon Cancer Patient

Mitsuaki Morimoto Morimoto(Department of Survery, Fukuoka Tokushukai Hospital)

WS-04-3 The spread of robotic rectal surgery and the improvement of sphincter preservation rates in low rectal surgery -A study using National Database-

Kenji Nanishi(Division of Digestive Surgery, Department of Surgery Kyoto Prefectural University of Medicine)

WS-04-4 Comparison of minimally invasive colectomy between intra- vs extra-corporeal anastomosis technique from a multi-institutional registry (COMMIT study): mid-term analysis

Takuya Takami(Department of Surgery, Graduate School of Medicine, Kyoto University)

WS-04-5 Short- and Long-term Outcomes of Intracorporeal Anastomosis in Laparoscopic Colectomy for Colon Cancer: A Multicenter Study by the Japan Society of Laparoscopic Colorectal Surgery (ICAN study)

Keitaro Tanaka(Department of General, Breast and Digestive Surgery, Otsu City Hospital)

WS-04-6 Risk Factors for Postoperative Cardiovascular Embolic Complications in Patients Undergoing Laparoscopic Colorectal Cancer Resection

Nobuki Ichikawa(Dept of Gastroenterological Surgery 1, Hokkaido University)

WS-04-7 Generation of Evidence through Retrospective Observational Studies Using a Multicenter Colorectal Cancer Registry: Toward Prospective Clinical Trials

Ryosuke Mizuno(Dept of Surgery, Kyoto Univ)

Workshop-5(WS-05)

Therapeutic Strategies for Esophagogastric Junction Cancer: Current Status and Outcomes of Multidisciplinary Treatment
April 23rd (Thu.) 8:30-10:30 Room 8 (Grand Mercure Sapporo Odori Park, 3F, Ball Room A)
Chairperson:Kurokawa Yukinori(Department of Gastroenterological Surgery, Graduate School of Medicine, The University of Osaka)
Chairperson:Nohara Kyoko(National Center for Global Health and Medicine)
Commentator:Yoshikawa Takaki(Department of Gastric Surgery, National Cancer Center Hospital)

WS-05-1 Investigation of risk factors for anastomotic leakage following lower esophageal resection for esophagogastric junction cancer

Shunsuke Kaji(Department of Digestive and General Surgery, Shimane University Faculty of Medicine)

WS-05-2 Impact of esophageal invasion length and neoadjuvant chemotherapy on lymph node metastasis distribution and therapeutic value index in esophagogastric junction carcinoma.

Koki Fujiwara(Department of General and Digestive Surgery, Keio University School of Medicine)

WS-05-3 Evaluation of the Clinical Significance of Neoadjuvant Chemotherapy for Adenocarcinoma of the Esophagogastric Junction Using Propensity Score Matching

Kohei Yamashita(Dept of Gastroenterol Surg, Kumamoto Univ)

WS-05-4 Perioperative Outcomes of Adenocarcinoma of the Esophagogastric Junction

EIsuke Booka(Department of Surgery, Hamamatsu University School of Medicine)

WS-05-5 Treatment outcomes of neoadjuvant DOS chemotherapy for resectable esophagogastric junction adenocarcinoma

Takaomi Hagi(Dept of Gastroenterological Surg, Osaka Univ)

WS-05-6 Outcomes and Prognostic Factors of Neoadjuvant Chemotherapy for Locally Advanced Adenocarcinoma of the Esophagogastric Junction

Takashi Kato(Department of Gastroenterological Surgery Cancer Institute Hospital of Japanese Foundation for Cancer Research)

Workshop-6(WS-06)

Next-Generation Robotic Systems in Thoracic Surgery: Prospects, Challenges, and Technical Insights【video】
April 23rd (Thu.) 15:10-17:10 Room 9 (Grand Mercure Sapporo Odori Park, 3F, Ball Room B)
Chairperson:Watanabe Atsushi(Sapporo Medical University)
Chairperson:Sato Toshihiko(Department of Thoracic, Breast and Pediatric Surgery, Fukuoka University)
Special Remarks:Morikawa Toshiaki(Sogo Tokyo Hospital)

WS-06-1 Optimization of grasping force through the tactile feedback function in robot-assisted lung resection surgery using Saroa: Analysis of force log data

Shohei Mori(Dept of Surgery, Jikei Univ Kashiwa Hosp)

WS-06-2 Initial Outcomes of Robot-Assisted Surgery Using hinotori Compared with da Vinci and future Prospects

Wakako Fujiwara(Division of General Thoracic Surgery, Tottori University Hospital)

WS-06-3 Perspectives and Challenges of Robotic Thoracic Surgery through the Introduction of hinotori: A Single-Center Experience

Daisuke Hokka(Dept of Thoracic Surgery, Kobe Univ)

WS-06-4 Experience and characteristics after 50 lung resections by single port RATS

Daisuke Ito(Dept of Surgery, Mie Univ)

WS-06-5 Initial Experience with Saroa Introduction: Perioperative Outcomes and Educational Utility Compared with Da Vinci Xi

Yuya Ishikawa(Department of Thoracic Surgery, Institute of Science Tokyo)

WS-06-6 Introduction of the da Vinci SP in a Community Hospital and Future Perspectives

Yoshimasa Inoue(Dept of General Thoracic Surgery, Saiseikai Yokohamashi Tobu Hospital)

Workshop-7(WS-07)

Post-hepatectomy Liver Failure: Current Perspectives and Strategies for Prevention and Management
April 23rd (Thu.) 15:10-17:10 Room 10 (Grand Mercure Sapporo Odori Park, 3F, Ball Room C)
Chairperson:Shirabe Ken(Department of General Surgical Science, Gunma University)
Chairperson:Noji Takehiro(Division of Nursing, Hokkaido University Faculty of Health Sciences)
Commentator:Kitami Chie(Department of Surgery, Nagaoka Chuo General Hospital)

WS-07-1 Future remnant liver functional assessment using EOB-MRI and novel surgical indication for major hepatectomy

Masashi Kudo(Department of Hepatobiliary and Pancreatic Surgery, National Cancer Center Hospital East)

WS-07-2 Toward zero post-hepatectomy liver failure: DHVE, super extended left hepatectomy, and 99mTc-GSA scintigraphy

Kenei Furukawa(Department of Surgery, The Jikei University School of Medicine)

WS-07-3 Surgical strategy predicting posthepatectomy liver failure by future functional remnant liver volume (fFRLV) and enhancing functional volume by portal and hepatic vein embolization

Kenichiro Araki(Division of Hepatobiliary and Pancreatic Surgery, Gunma Univ)

WS-07-4 Hepatic regeneration induced by portal and hepatic vein ligation in rats: simultaneous and sequential ligation

Kentaro Oji(Dept of Surgery, Division of Hepato-Biliary-Pancreatic Surgery, Kobe Univ)

WS-07-5 Preventive strategy for posthepatectomy liver failure in major hepatectomy with biliary reconstruction based on EOB-MRI derived remnant liver function assessment combined with sarcopenia evaluation.

Tsuyoshi Notake(Dept of Surgery, Shinshu Univ)

WS-07-6 Central Hepatectomy as an Alternative: A Comparative Study with Conventional Major Hepatectomy for Perihilar Cholangiocarcinoma

Masahiro Fujisawa(Dept of HBP Surgery, Juntendo University)

WS-07-7 Impact of Pringle maneuver duration on postoperative liver failure following hepatic resection for perihilar cholangiocarcinoma

Katsuya Sakashita(Division of Hepato-Biliary-Pancreatic Surgery, Shizuoka Cancer Center)

Workshop-8(WS-08)

Expectations for the Next CLTI Guidelines
April 23rd (Thu.) 15:10-17:10 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Shigematsu Kunihiro(Department of Vascular Surgery, International University of Health and Welfare Mita Hospital)
Chairperson:Kodama Akio(Department of Vascular Surgery, Aichi Medical University)

WS-08-1 Evidence from Japan required for the next CLTI guidelines

NOBUYOSHI AZUMA(Department of Vascular Surgery, Asahikawa Medical University)

WS-08-2 Surgical Off-loading as a Strategy for Ambulation Preservation and Ulcer Recurrence Prevention in CLTI

Kazuhito Nagasaki(Dept of Vascular Surgery, Lower Limb Vascular and Wound Center, Shimokitazawa Hospital)

WS-08-3 The Impact of the GLASS IM Grade on Maintaining Symptom Remission in Chronic Limb-Threatening Ischemia (CLTI)

Naohiro Akita(Division of Vascular Surgery, Department of Surgery, Nagoya University Graduate School of Medicine)

WS-08-4 Clinical Outcomes of CLTI Revascularization: The Utility of Wound Healing Rate as a Novel Therapeutic Endpoint in a Multicenter Study from Our Department and Affiliated Institutions.

Daiki Nejima(Department of Surgery, Keio University School of Medicine, Tokyo, Japan)

WS-08-5 Considerations for Establishing Patient-Oriented Outcomes

NATSUMI IIJIMA(Devision of Vascular Surgery, Department of Surgery, The University of Tokyo.)

WS-08-6 Consideration of the evidence for CLTI treatment based on our results

takuo nomura(Juzen Memorial Hospital Vascular Surgery)

Workshop-9(WS-09)

Organ Perfusion in Transplantation: New Frontiers in Organ Repair and Functional Assessment
April 23rd (Thu.) 13:00-15:00 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Furukawa Hiroyuki(Furano Kyokai Hospital)
Chairperson:Soyama Akihiko(Department of Surgery, Nagasaki University Graduate School of Biomedical Sciences)

WS-09-1 Integrated assessment of marginal liver during hypothermic oxygenated machine perfusion with fluorescence-based: quantification of FMN and ICG flow dynamics

Naoto Matsuno(National Center for Child Health and Development Division of research of transplantation surgery )

WS-09-2 Prospects and Challenges of Introducing Normothermic Machine Perfusion (NMP) for Liver Transplantation in Japan: A Novel Evaluation Framework Using FMN Biomarkers

Takeo Toshima(Dept of Surgery and Science, Kyushu University)

WS-09-3 Overcoming organ shortage: multifaceted utility of normothermic machine perfusion of the liver and roadmap for clinical implementation in Japan

Toru Goto(Department of Pediatric Surgery and Transplantation, Kumamoto University Graduate School of Medical Sciences)

WS-09-4 Toward the Introduction of Machine Perfusion Preservation in Liver Transplantation: Current Status of Basic and Clinical Research and Future Perspectives

Kazushige Migita(Dept of Surgery, Nagasaki Univ)

WS-09-5 Challenges and experimental models for ischemia-free liver transplantation

Masato Fujiyoshi(Dept of Surgery, Sapporo-Kosei General Hospital)

WS-09-6 Evaluation of the Efficacy of Hypothermic Oxygenate Machine Perfusion Preservation for the Small Intestine –Focusing on Small Intestinal Serosal Potential and Peristalsis–

Daisuke Ishii(Department of Surgery, Asahikawa Medical University)

WS-09-7 Current status and challenges of machine perfusion in liver transplantation in the United States

MASARU KUBOTA(Columbia University Irving Medical Center)

Workshop-10(WS-10)

Computed Tomography in Resuscitative Trauma Surgery: Role and Clinical Implications
April 23rd (Thu.) 15:10-17:10 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Mizushima Yasuaki(Emergency and Critical Care Center, Osaka Police Hospital)
Chairperson:Watanabe Hiroaki(Department of Acute Care Surgery, Shimane University Faculty of Medicine)

WS-10-1 Utility and Limitations of Preoperative CT in a Hybrid Emergency Room for Penetrating Thoracoabdominal Injuries

Ryosuke Omoto(Division of Trauma and Surgical Critical Care, Osaka General Medical Center)

WS-10-2 Does CT imaging deviating from the standard JATEC protocol alter hemostatic strategies in hemodynamically unstable severe trauma?

Shinichiro Irabu(Department of Acute Care Surgery, Seirei Hamamatsu General Hospital)

WS-10-3 Indicators for CT Eligibility in Torso Trauma: Analysis of an Institutional Strategy and the Utility of the FLASH Score

Kazuki Hagiwara(Advanced Critical Care and Emergency medical center, Yamanashi Prefectural Central Hospital)

WS-10-4 Development of an Early Responder Identification Model for Patients with Traumatic Hemorrhagic Shock

Mayu Yamakawa(Osaka General Medical Center)

WS-10-5 Computed tomography is not required to initiate damage-control surgery for trauma: our center’s strategy prioritizing rapid temporary hemorrhage control

Futoshi Nagashima(Tajima emergency and critical care medical center, Toyooka public hospital)

WS-10-6 CT is not a prerequisite for resuscitative trauma surgery.

Kazuyuki OKA(Dept. of Acute Care Surgery, Shimane Univ.)

WS-10-7 What truly matters is the availability of surgeons capable of providing appropriate surgical trauma care without depending on diagnostic imaging

Kazuki Mashiko(Shock and Trauma center, Nippon Medical School Chiba Hokusoh Hospital)

Workshop-11(WS-11)

Robot-Assisted Rectal Cancer Surgery in Difficult Pelvic Cases: Current Practice and Technical Innovations【video】
April 24th (Fri.) 15:50-17:50 Room 2 (Keio Plaza Hotel Sapporo, 2F, Eminence Hall)
Chairperson:Matsuda Chu(Japan Community Healthcare Organization Osaka Hospital)
Chairperson:Uehara Kay(Department of Gastroenterological Surgery, Nippon Medical School)

WS-11-1 Robotic Extended Pelvic Surgery for Locally Advanced or Locally Recurrent Rectal Cancer

Mamoru Uemura(Dept of Gastroenterological Surgery, The University of Osaka)

WS-11-2 Surgical Techniques and Outcomes of Rectal Cancer Surgery After Total Neoadjuvant Therapy

Shunsuke Tsukamoto(Dept of Colorectal Surgery, National Cancer Center Hospital)

WS-11-3 Technical Strategies and Current Status of Robot-Assisted Surgery for Obese Patients with a Narrow Pelvis

Hiroto Tanaka(Department of Gastrointestinal Surgery, Chubu Tokusyukai Hospital)

WS-11-4 Factors Affecting Difficulty in Surgical Manipulation During Robot-Assisted Rectal Cancer Surgery and Countermeasures

Toru Tonooka(Division of Esophago-Gastrointestinal Surgery, Chiba Cancer Center)

WS-11-5 Outcomes of Robotic Total Mesorectal Excision after Total Neoadjuvant Therapy for Low Rectal Cancer: A Focus on Salvage Surgery

Mikio Kawamura(Dept of Gastrointestinal and Pediatric Surgery, Mie Univ)

WS-11-6 Surgical Techniques and Short-Term Outcomes of Robot-Assisted Rectal Cancer Surgery in Obese Patients

AYUMI TAKAOKA(Dept of Digestive Tract and General Surgery, Saitama Medical Center, Saitama Medical University.)

WS-11-7 Comparison of Robot-Assisted and Laparoscopic Surgery for Rectal Cancer Requiring Multivisceral Resection

Ryo Inada(Dept of Gastroenterological Surgery, Kochi Health Sciences Center)

WS-11-8 Robot-assisted Rectal Resection with Partial Vaginal Resection for Rectal Cancer with Vaginal Invasion: Technique and Short-term Outcomes

HIROKI TAKAHASHI(Dept of Gastroenterological surgery, Nagoya City Univ West Medical Center)

Workshop-12(WS-12)

What Defines an Effective Surgical Hands-On Training Program?
April 24th (Fri.) 15:50-17:50 Room 5 (Keio Plaza Hotel Sapporo, 3F, Ohgi)
Chairperson:Ieiri Satoshi(Department of Pediatric Surgery, Kagoshima University)
Chairperson:Yamaoka Yoshiko(Department of Upper Gastrointestinal Surgery, Kitasato University School of Medicine)

WS-12-1 From Confidence to Action: The Educational Value of Trauma Cadaver Surgical Training 〔C-BEST〕

Takehiko Hanaki(Dept of Medical Education, Tottori Univ)

WS-12-2 Training in Thoracoscopic Esophageal Anastomosis Using a Neonatal Thoracic Model - Evaluation of Learning curve and International Validation Study at IPEG2025 Kagoshima

Yudai Tsuruno(Dept of Ped Surg, Kagoshima Univ)

WS-12-3 Innovations in a hands-on seminar for junior residents run by early-career thoracic surgeons

Shinji Yuhara(Dept of Thoracic Surgery, Tokyo Univ)

WS-12-4 Development and impact of the MIRAY1 summer seminar for medical students and junior residents

Sawaka Yukishige(Dept of Thoracic, Endocrine Surgery and Oncology, Tokushima Univ)

WS-12-5 What the attractive hands-on seminar for medical students should be to prevent decline of surgeons

Takashi Motomura(Dept of Surgery and Sciences, Kyushu Univ)

WS-12-6 The utility of laparoscopic anatomic liver resection training using a goat model: experience from 278 tables and 730 participants

Yusuke Kawamoto(Department of Surgery, Institute of Gastroenterology, Tokyo Women's Medical University)

WS-12-7 Outcomes and Challenges of Hands-on Seminars for the Safe Use of Energy Devices

Tomokazu Kishiki(Department of Gastroenterological and General Surgery, Kyorin University School of Medicine)

WS-12-8 Ten-year experience of hands-on microsurgical seminars organized by ISEM Japan: Development of a sustainable educational model

Shintaro Yagi(Department of Hepato-Biliary-Pancreatic Surgery, Kanazawa University)

Workshop-13(WS-13)

Bridging Basic Science and Clinical Practice: What HPB Surgeons Expect from Basic Research
April 24th (Fri.) 9:00-11:00 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Oda Tatsuya(GI & HBP Surgery, Univ. of Tsukuba)
Chairperson:Sho Masayuki(Department of Surgery, Nara Medical University)
Special Remarks:Yamaue Hiroki(Pancreatic Cancer Center - Shonan Kamakura General Hospital)

WS-13-1 Elucidation of tumor biological characteristics of cholangiocarcinoma based on difference in oncogenic driver genes.

Kyosuke Morita(Hepatobiliary Pancreatic and Breast Surgery, Ehime University.)

WS-13-2 Integrated Analysis of Pancreatic Ductal Adenocarcinoma Organoid Co-Culture Model and Surgical Specimen Proteomics to Elucidate Therapy Resistance

Kazuki Yokoyama(Dept of Gastroenterological Surgery, Hirosaki Univ)

WS-13-3 Reprogramming the Pancreatic Cancer Immune Microenvironment Through Analysis of Pancreatic Juice ENPP1 and STING Pathway Interaction for Novel Immunotherapy Development

SADAAKI NISHIMURA(Dept of HBP surgery, Osaka Metropol Univ)

WS-13-4 Targeting IQGAP3 to Overcome the Immunosuppressive Tumor Microenvironment and Therapeutic Resistance in Pancreatic Cancer

Mitsuhiro Shimura(Dept of Surgery, Tohoku Univ)

WS-13-5 Histological Validation of FAPI-PET Targeting Pancreatic Cancer Stroma

Yoshihiro Miyazaki(Dept. of GI &HBP Surgery, Univ. of Tsukuba)

WS-13-6 Establishing Neoadjuvant Therapeutic Approaches Guided by Carbonic Anhydrase 9 in Pancreatic Cancer.

Taichi Terai(Department of Surgery, Nara Medical University)

WS-13-7 Monitoring with plasma apolipoprotein A2-isoforms can predict developing new-onset steatotic liver disease caused by pancreatic exocrine insufficiency following pancreatectomy

Akira Matsushita(Dept op gastroenterological Surgery, Nippon Medical School)

WS-13-8 Non-invasive assessment of MASLD using breath biomarkers: Toward a novel tool for preoperative decision-making in hepatic resection

Kohta Iguchi(Dept of Gastroenterological Surgery and Oncology, Medical Research Institute KITANO HOSPITAL, PIIF Tazuke-Kofukai)

WS-13-9 Silk Fibroin Vascular Grafts for Venous Reconstruction: Toward Clinical Application in HPB Surgery

KAITO FUKUDA(Department of Hepato-Biliary-Pancreatic Surgery, Graduate School of Medicine, The University of Tokyo)

WS-13-10 Past and Future of Basic Research by Hepato-Pancreato-Biliary Surgeons Aimed at Overcoming Clinical Challenges: Interdisciplinary Studies Integrating “Cancer / Transplantation” and “Regenerative Medicine”

Hajime Imamura(Nagasaki University, Department of Surgery)

Workshop-14(WS-14)

Reconsidering the Optimal Surgical Approach for Advanced Gallbladder Cancer
April 24th (Fri.) 15:50-17:50 Room 6 (Keio Plaza Hotel Sapporo, B1F, Plaza Hall)
Chairperson:Wakai Toshifumi(Division of Digestive and General Surgery, Niigata University Graduate School of Medical and Dental Sciences)
Chairperson:Kishi Yoji(Department of Surgery, National Defense Medical College)
Special Remarks:Miyazaki Masaru(IUHW Mita Hospital)

WS-14-1 Reconsideration of the indication for extended hepatectomy and the rational extent of lymphadenectomy for advanced gallbladder cancer: the impact of perioperative chemotherapy on surgical outcomes

Jun Sakata(Division of Digestive and General Surgery, Niigata University)

WS-14-2 Reconsideration of Surgical Strategy for Preoperatively Diagnosed Tis–T2 Gallbladder Cancer Based on Diagnostic Accuracy

Masayuki Akita(Dept of Surgery, Division of HBP surgery, Kobe Univ)

WS-14-3 Optimal Surgical Strategy for Advanced Gallbladder Cancer: The Prognostic Impact of Adjuvant Therapy Completion and R0 Resection

Kyohei Matsumoto(Second Dept of Surgery, Wakayama Medical Univ)

WS-14-4 Reconsidering Surgical Strategies for Advanced Gallbladder Cancer Based on a Multi-Institutional Study: Significance of Neoadjuvant Therapy and Resectability Defined by Early Postoperative Mortality

Daisuke Noguchi(Dept of Hepatobiliary Pancreatic and Transplant Surgery, Mie Univ)

WS-14-5 Optimal Surgical Procedure for cT3 Gallbladder Cancer: The Role of Pancreatoduodenectomy

Kenjiro Okada(Dept of Surgery, Hiroshima Univ)

WS-14-6 A Retrospective Analysis of 26 Cases of Unresectable Gallbladder Cancer Including Instances of Conversion Surgery

Takehiko Saijo(Dept of Surgery, Tohoku Univ)

WS-14-7 Trends in Surgical Outcomes and the Impact of Perioperative Therapy for Advanced Gallbladder Cancer

Kota Sahara(Dept of Gastroenterological Surgery, Yokohama City University Hospital)

Workshop-15(WS-15)

Overcoming Complex Lesions: Exploring the Limits of Mitral Valve Repair【video】
April 24th (Fri.) 9:00-11:00 Room 9 (Grand Mercure Sapporo Odori Park, 3F, Ball Room B)
Chairperson:Fukuda Hirotsugu(Department of Cardiac and Vascular Surgery, Dokkyo Medical University)
Chairperson:Kamiya Hiroyuki(Department of Cardiac Surgery , Aasahikawa Medical University)

WS-15-1 Thoracoscopic mitral valve repair for active mitral endocarditis

TOSHIAKI ITO(Department of Cardiovascular Surgery. Japanese Red Cross Nagoya First Hospital)

WS-15-2 Toward image-guided robotic mitral valve repair

Tomoyuki Fujita(Dept Cardiovasc Surg, Institute of Science Tokyo)

WS-15-3 Toward Durable Mitral Valve Repair: Focusing on the Subvalvular Apparatus

Shuichiro Takanashi(Department of Cardiacvascular Surgery, Kawasaki Saiwai Hospital, Kawasaki Heart Center)

WS-15-4 Stepwise mitral valve repair for extensive P2 prolapse

Kosuke Mori(Division of Cardiovascular Surgery, Dept of Surgery, Miyazaki Univ)

WS-15-5 Operative procedures for successful mitral plasty in Barlow's disease

Kyouhei Kawasaki(Dept of Cadiovasc Surgery, Kasai Shoikai Hospital)

WS-15-6 Mitral valve repair for Barlow’s disease: A simplified approach based on etiology

Kenji Iino(Department of Cardiovascular Surgery, Kanazawa University, Japan)

Workshop-16(WS-16)

The Dawn of a New Era in Advanced Surgical Management of Breast Cancer【video】
April 24th (Fri.) 9:00-11:00 Room 10(Grand Mercure Sapporo Odori Park, 3F, Ball Room C)
Chairperson:Kinoshita Takayuki(Division of Breast Surgery, NHO Tokyo Medical Center)
Chairperson:Shimazu Kenzo(Dept of Breast and Endocrine Surgery, Osaka University)

WS-16-1 Standard Radiofrequency Ablation Therapy for Early-Stage Breast Cancer and Current Status

Takayuki Kinoshita(Dept. of Breast Surgery, NHO Tokyo Medical Center)

WS-16-2 Toward a New Era of Breast Cancer Surgery: Results from 93 Cases of Gas-Insufflation Single-Port Endoscopic Nipple-Sparing Mastectomy

Tatsuya Onishi(Department of Breast Surgery, National Cancer Center Hospital East)

WS-16-3 Endoscopic Breast Surgery for Personalization of Breast Cancer Treatment

Koji Yamashita(Dept. of Breast Surgery, Chiba Tokushukai Hospital)

WS-16-4 Step-up Guide to Mastery and Standardization of Nipple-sparing Mastectomy Using the Periareolar Incision Method

Hirohito Seki(Dept of Breast Surgery, Kyorin University School of Medicine)

WS-16-5 Practical approach to surgical technique selection and educational acquisition in oncoplastic breast concerving surgery

Kaho Nakamura(Dept of Breast Surgery, Mie Univ)

WS-16-6 Oncoplastic Partial Mastectomy Utilizing the Lateral Thoracic Perforator Flap by Breast Surgeons

norie abe(Department of breast surgery, Nakagami Hospital)

Workshop-17(WS-17)

Therapeutic Strategies for Type 4 Gastric Cancer
April 24th (Fri.) 9:00-11:00 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Lee SangWoong(Department of General and Gastroenterological Surgery, Osaka Medical and Pharmaceutical University)
Chairperson:Tokunaga Masanori(Department of Gastrointestinal Surgery, Institute of Science Tokyo)
Special Remarks:Sasako Mitsuru(Yodogawa Christian Hospital)

WS-17-1 Open versus Minimally Invasive Surgery for Large Type 3 and Type 4 Gastric Cancer: A Multicenter Retrospective Study from High-volume Centers in Japan

Yasunori Masuike(Department of Gastroenterological Surgery, Osaka International Cancer Institute)

WS-17-2 Innovative Strategies for Improving Prognosis in Type 4 Gastric Cancer: Reassessment of Prophylactic Splenectomy and the Efficacy of Night Home Enteral Nutrition and Long-term S-1 Adjuvant Therapy

Tomoki Konishi(Department of Surgery, Japanese Red Cross Kyoto Daiichi Hospital)

WS-17-3 Prognostic impact of perioperative chemotherapy in type 4 gastric cancer

MASAHIRO YURA(Dept of Gastric Surgery, NCCHE)

WS-17-4 A Phase III Trial Evaluating Perioperative Systemic and Intraperitoneal Paclitaxel Chemotherapy for Type IV Gastric Cancer (PHOENIX-GC2)

YUICHI ITO(Dept of Gastroenterological Surgery, Aichi Cancer Center)

WS-17-5 Treatment Strategies for Type 4 Gastric Cancer ~Diagnostic Laparoscopy, Preoperative Chemotherapy, Conversion Surgery~

Tomoyuki Irino(Gastric Div, Dept of Gastroenterol Surg, Cancer Institute Hospital)

WS-17-6 Multicenter retrospective study on treatment outcomes of type 4 gastric cancer with positive peritoneal cytology

Keiichi Fujiya(Div of Gastric Surgery, Shizuoka Cancer Center)

WS-17-7 New targeting drugs improved prognosis of type 4 gastric cancer with peritoneal metastasis?

Yuki Takenaka(Depatment of Gastric Surgery, National Cancer Center Hospital)

Workshop-18(WS-18)

Treatment Strategies for T3br and T4 Esophageal Cancer
April 24th (Fri.) 15:50-17:50 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Yamasaki Makoto(Department of Upper Gastrointestinal Surgery, Kansai Medical University)
Chairperson:kimura yasue(Department of Gastroenterological Surgery, NHO Kyushu Cancer Center)
Commentator:DAIKO HIROYUKI(National Cancer Center Hospital)

WS-18-1 Comparison of outcome of borderline resectable and clinical T4 esophageal cancer

Koji Tanaka(Dept of Gastroenterological Surgery , Osaka Univ)

WS-18-2 Treatment Outcomes of cT3/T4 Esophageal Cancer and Analysis of Positive Resection Margin and Local Recurrence as Outcomes: Implications for Defining T3 Borderline (T3br)

Masashi Hashimoto(Department of Gastroenterological Surgery, Okayama University Hospital)

WS-18-3 Consideration of T4 combined resection based on the first site of progression in ESCC patients with incomplete resection due to the surrounding organ invasion

Akihiko Okamura(Department of Esophageal Surgery, Cancer Institute Hospital of Japanese Foundation for Cancer Research)

WS-18-4 Non-curative resection for surgical T4b esophageal cancer: esophagectomy or non-esophagectomy?

Yusuke Fujii(Dept of gastrointestinal and general surgery, HGMC)

WS-18-5 Short-term Results of DCF Combined with Immune Checkpoint Inhibitors as Induction Therapy for T4b Esophageal Cancer

Shota Igaue(National Cancer Center Hospital, Department of Esophageal Surgery)

WS-18-6 Optimal Induction Therapy and the Role of Immune Checkpoint Inhibitors in Locally Advanced Esophageal Cancer (cT3br/cT4)

Takashi Kanemura(Dept of Gastroenterological Surgery, Osaka International Cancer Institute )

WS-18-7 Multimodal treatment strategy for locally advanced thoracic esophageal cancer with suspected adjacent organ invasion: Focusing on conversion therapy

Kohei Kanamori(Dept of Gastoenterol Surgery, Tokai Univ)

Workshop-19(WS-19)

Surgical Simulation for the Management of Congenital Heart Disease
April 25th (Sat.) 8:00-10:00 Room 4 (Keio Plaza Hotel Sapporo, 3F, Miyabi)
Chairperson:Yoshimura Naoki(1st Department of Surgery, University of Toyama)
Chairperson:Shingo Kasahara(Department of Cardiovascular Surgery, Okayama University)

WS-19-1 Viewer = creator: unlocking the full value of 3DCG

Hirofumi Seo(SCIEMENT, Inc.)

WS-19-2 Introduction to postoperative prediction simulation using ped UT-Heart and future functional enhancements

Takumi Washio(Univ of Tokyo, UT-Heart Inc.)

WS-19-3 Preoperative simulation of congenital heart surgery using 3D cardiac holograms

Takaya Hoashi(Department of pediatric cardiac surgery, Saitama University International Medical Center)

WS-19-4 In-house 3D cardiac models: experience and its clinical roles 

So Motono(Dept of Cardiocascular Surgery, Toyama Univ)

WS-19-5 Novel Preoperative Surgical Strategies: 3D Modeling for Complex Anatomical Assessment and ped UT-Heart for Postoperative Hemodynamic Prediction

Yuji Tominaga(Department of Pediatric Cardiovascular Suregry)

Workshop-20(WS-20)

Robot-Assisted Pancreatic Surgery: Opportunities and Limitations【video】
April 25th (Sat.) 13:50-15:50 Room 7 (Kanamoto Hall, 1F, Main Hall)
Chairperson:Nagakawa Yuichi(Department of Gastrointestinal and Pediatric Surgery, Tokyo Medical University)
Chairperson:Otsuka Takao(Department of Digestive Surgery, Kagoshima University)

WS-20-1 Robotic pancreatic surgery:Light and shadow

Chang Moo Kang(Yonsei Univ College of Medicine, South Korea)

WS-20-2 Standardization of Minimally Invasive Spleen-Preserving Distal Pancreatectomy: Indication for Robot-assisted surgery

Takahiro Murokawa(Dept of Gastroenterological Surgery, Nippon Medical School)

WS-20-3 The standardization and short-term outcome of robotic pancreaticoduodenectomy

Yutaka Takeda(Dept of Surgery, Kansai Rosai Hospital)

WS-20-4 Usefulness of Pfannenstiel Incision in Robot-Assisted Distal Pancreatectomy

Nobuhiko Nakagawa(Dept of Surgery, Nagoya Univ)

WS-20-5 Mesenteric Kocherization in Robotic Pancreaticoduodenectomy: A Propensity Score–Matched Comparative Study

Kohei Mishima(Department of Surgery, Keio University School of Medicine)

WS-20-6 Ascending duodenum landmark for the SMA approach in robotic pancreaticoduodenectomy: technique and rationale

Naoki Ikenaga(Dept of Surgery and Oncology, Kyushu Univ)

WS-20-7 Innovation of the “SMV-Final Dissection Approach” to Enhance Safety in Robot-Assisted Pancreaticoduodenectomy for Pancreatic Cancer

Hiroaki Osakabe(Tokyo Medical University Department of Gastrointestinal and Pediatric Surgery)

Workshop-21(WS-21)

Frontiers in the Management of Inflammatory Bowel Disease: An Integrated Approach Incorporating Minimally Invasive Surgery, Robotic Surgery, and Medical Therapy
April 25th (Sat.) 10:10-12:10 Room 9 (Grand Mercure Sapporo Odori Park, 3F, Ball Room B)
Chairperson:Mizushima Tsunekazu(Department of Colorectal Surgery, Dokkyo Medical University)
Chairperson:Toiyama Yuji(Dept of Gastrointestinal and Pediatric Surgery, Mie Univ)

WS-21-1 Is Transanal Minimally Invasive Surgery an Optimal Approach in Total Proctocolectomy with Ileal Pouch–Anal Anastomosis for Ulcerative Colitis?

Masatsugu Kojima(Department of Surgery, Shiga University of Medical Science)

WS-21-2 Postoperative Anal Function After Minimally Invasive Surgery for Ulcerative Colitis

Takahide Shinagawa(Department of Surgical Oncology, the University of Tokyo)

WS-21-3 Characteristics and impacts of medical treatments administered immediately before emergency surgery for ulcerative colitis

Hideyuki Suzuki(Dept of Surgery, Tohoku Univ)

WS-21-4 Evaluation of Anastomotic Stricture after Kono-S Anastomosis for Crohn’s Disease

Chikayoshi Tani(Division of Gastrointestinal Surgery, Dept of Surgery, Asahikawa Medical Univ)

WS-21-5 Does Extended Mesenteric Excision Reduce Postoperative Recurrence in Crohn’s Disease Surgery?

Takayuki Ogino(Dept of Gastroenterological Surgery, Osaka Univ)

WS-21-6 Temporal Trends in the Clinical Features and Treatment Outcomes of Crohn’s Disease–Associated Colorectal Neoplasia

Kenji Tatsumi(Dept of IBD, Yokohama Municipal citizen's Hosp )

WS-21-7 A Study on Laparoscopic Surgery for Small Intestinal and Colorectal Cancer Associated with Crohn's Disease

Emi Inoue(JCHO Tokyo Yamate Medical Center)

Workshop-22(WS-22)

Current Status and Future Perspectives in the Diagnosis and Management of Locally Recurrent Rectal Cancer
April 25th (Sat.) 13:50-15:50 Room 9 (Grand Mercure Sapporo Odori Park, 3F, Ball Room B)
Chairperson:Ikeda Masataka(Div of Lower GI Surgery, Dept of Gastroenterological Surgery, Hyogo Medical University)
Chairperson:Fujita Fumihiko(Department of Surgery, Kurume University School of Medicine)

WS-22-1 A wide variety of unmet needs exist in the field of locally recurrent rectal cancer

Hideaki Yano(Consultant Colorectal Surgeon, University Hospital Southampton, UK)

WS-22-2 Utility of Pre- and Post-Neoadjuvant Chemoradiotherapy mrEMVI Assessment for Prognostication, Including Local Recurrence Risk, in Locally Advanced Rectal Cancer

Hiromitsu Iwamoto(Second Dept of Surgery, Wakayama Medical Univ)

WS-22-3 Significance of Local Recurrence After Neoadjuvant Therapy for Long-Term Outcomes in Locally Advanced Rectal Cancer

Hisashi Ro(Department of Coloproctological Surgery, Juntendo University Faculty of Medicine)

WS-22-4 The efficacy of preoperative therapy for local control of locally recurrent rectal cancer

Hiroshi Shiratori(Dept of Surgery, Univ of Tokyo)

WS-22-5 Real-world Survival Outcomes in Locally Recurrent Rectal Cancer: A Multicenter Study of 2,266 Cases

Masanori Sando(Dept of Colorectal Surgery, National Cancer Center Hospital East)

WS-22-6 Usefulness of laparoscopic surgery and the role of preoperative therapy for locally recurrent rectal cancer

Chikako Kusunoki(The University of Osaka, Graduate School of Medicine, Department of Gastroenterological Surgery)

WS-22-7 Short-Term Outcomes of Anterolateral Thigh Flap Reconstruction Following Pelvic Exenteration: A Retrospective Analysis

Goro Takahashi(Dept of Gastroenterological Surgery, Nippon Medical School)

WS-22-8 Clinical outcomes of proton beam therapy for locally recurrent rectal cancer: a retrospective analysis of 42 patients highlighting the impact of distant metastasis control

Seiya Yamamoto(Dept of Gastroenterological Surgery, Nagoya City Univ West Medical Center)

WS-22-9 Novel therapeutic strategy for pelvic recurrence of rectal cancer using boron neutron capture therapy (BNCT)

Jun Arima(Dep of Gene and Gastro Surgery,OMPU)

Workshop-23(WS-23)

Technical Innovations and Clinical Outcomes of Duodenal LECS (Laparoscopy and Endoscopopy Cooperative Surgery)
April 25th (Sat.) 8:00-10:00 Room 10 (Grand Mercure Sapporo Odori Park, 3F, Ball Room C)
Chairperson:Nunobe Souya(The Cancer Institute Hospital of JFCR)
Chairperson:Kanaji Shingo(Division of Gastrointestinal Surgery, Graduate School of Medicine, Kobe University)

WS-23-1 Improvements in our hospital's D-LECS after experiencing complications and making refinements.

Naoki Kataoka(Department of Surgery, Kishiwada Tokushukai Hospital)

WS-23-2 Laparoscopy and Endoscopy Cooperative Surgery (D-LECS) for Superficial Non-Ampullary Duodenal Epithelial Tumors at Our Institution: A Comparison of Treatment Outcomes According to Tumor Size

Masaru Hayami(Department of Gastroenterological Surgery, Gastroenterological Center, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan)

WS-23-3 Risk management of delayed perforation in duodenal LECS

Shunsuke Murakami(Nagasaki University, Department of Surgery)

WS-23-4 Innovations in ESD-aid Surgery Aimed at Improving Treatment Outcomes for Superficial Non-ampullary Duodenal Epithelial Tumors

Tomotaka Okubo(Dept of Gastroenterological Surgery, Nagoya City Univ)

WS-23-5 Technical Modifications and Short-Term Outcomes of D-LECS for Duodenal Epithelial Tumors

Hiroyuki Minoura(Dept of Upper Gastrointestinal Surgery, Kitasato Univ)

WS-23-6 Efficacy of laparoscopic endoscopic cooperative surgery for superficial non-ampullary duodenal epithelial tumor

Taro Ikeda(Division Of Gastrointestinal Surgery, Department of Surgery, Kobe University Graduate School of Medicine)

Workshop-24(WS-24)

Surgical Strategies for Locally Advanced Lung Cancer Requiring Combined Resection of Adjacent Organs: Limits of Indication and Operative Approaches【video】
April 25th (Sat.) 10:10-12:10 Room 12 (Sapporo Community Plaza, 3F, Creative Studio)
Chairperson:Matsumoto Isao(Department of Thoracic Surgery, Kanazawa University)
Chairperson:Ishibashi Hironori(Dept of Thoracic Surgery, Institue of Science Tokyo)
Special Remarks:Kaneko Koichi(Medical Corporation Kofukai Kohnan Hospital)

WS-24-1 A case of squamous cell carcinoma with left upper lobectomy and combined resection of sternal hilum, both clavicles, and 1st and 2nd ribs after preoperative chemotherapy with nivolumab for superior sulcus tumor.

Akinobu Ida(Dept of Gen Thorac Surgery, Maebashi Red Cross Hospital)

WS-24-2 Two cases of locally advanced lung cancer treated with surgical resection after neoadjuvant therapy

Seiichi Kakegawa(Dept of Thoracic Surgery, Kanazawa Univ)

WS-24-3 Carinal Resection and Reconstruction with Preservation of Pulmonary Parenchyma Using V-V ECMO and Thoracoscopic Hilar Release

Hiroyoshi Tsubochi(Department of General Thoracic Surgery, Jichi Medical University)

WS-24-4 Surgical Techniques for Chest Wall Invasive Lung Cancer: Minimally Invasive Approaches Using Robot-assisted thoracoscopic surgery(RATS) and Uniportal-Video Assisted Thoracic Surgery(U-VATS)

Fumiaki Watanabe(Department of Thoracic Surgery, Mie University Hospital, Tsu, Japan)

WS-24-5 Conversion Right Upper Lobectomy Following SVC Resection and Reconstruction for ALK-Positive Locally Advanced Lung Adenocarcinoma after ALK-TKI Therapy

Satoru Okada(Div of Thoracic Surgery, Dept of Surgery, Kyoto Prefectural University of Medicine)

WS-24-6 Surgical Strategy Using the Total Debranching Technique for Lung Cancer Involving the Aortic Arch

Kenji Kimura(Department of General Thoracic Surgery, Osaka Univ)

WS-24-7 Two-Stage Complete Resection for Locally Advanced Lung Cancer with Adjacent Organ Invasion

Yusuke Sugita(Department of Thoracic Surgery, Institute of Science Tokyo)

WS-24-8 Surgery for Locally Advanced Lung Cancer in the Robotic Era

Masato Chiba(Department of Thoracic Surgery, Kindai University Faculty of Medicine)

Workshop-25(WS-25)

Minimally Invasive Treatment for Thyroid and Parathyroid Tumors【video】
April 25th (Sat.) 10:10-12:10 Room 15 (New Otani Inn Sapporo, 2F, Crane Room(East))
Chairperson:Sugitani Iwao(Department of Endocrine Surgery, Nippon Medical School)
Chairperson:Nakajo Akihiro(Department of Breast & Thyroid Surgery Kagoshima University)

WS-25-1 Clinical study of endosopic thyroidectomy using gass for thyroid cancer

YO IKEDA(Dept of Surgery, IUHW Mita Hospital)

WS-25-2 Minimally Invasive Surgery of the Cervicothoracic Region Using V-Shaped Incomplete Median Sternotomy (VIMS)

TAKASHI IWATA(Dept. of General Thoracic Surgery, Kansai Rosai Hospital)

WS-25-3 VANS surgery approach applicable to conventional surgery: techniques to reduce recurrent laryngeal nerve palsy and outcomes

Ryuta Nagaoka(Dept of Breast and Thyroid Surgery, Japanese Red Cross Medical Center)

WS-25-4 A minimally invasive technique for forearm parathyroid autotransplantation using a 1-mL syringe and a Surflo® needle sheath

Takahiro Ichikawa(Department of Breast and Endocrine Surgery, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, Aichi, 466-8550, Japan)

WS-25-5 Robot-assisted thyroidectomy

Norihiko Ishikawa(NewHeart Watanabe Institute)

WS-25-6 Endoscopic Superior Mediastinal Lymph Node Dissection: A Surgical Technique for Lymph Nodes Located Between the Right Brachiocephalic Artery and Vein

TADAO YOKOI(Department of Surgery, St. luke international hospital)

WS-25-7 Advances in endoscopic surgery for the thyroid and parathyroid: techniques and strategies to minimize complications

Koji Minami(Dept of Breast and Thyroid Surgery, Kagoshima University)