| B．国際学会 |
| 1）American Association for Cancer Research |
| 2）American Association for the Study of Liver Diseases |
| 3）American College of Gastroenterology |
| 4）American College of Surgeons |
| 5）American Gastroenterological Association |
| 6）American Pancreatic Association |
| 7）American Society of Clinical Oncology（ASCO-GIを含む） |
| 8）American Society of Colon and Rectal Surgeons |
| 9）American Society of Transplant Surgeons |
| 10）American Society of Transplantation |
| 11）American Surgical Association |
| 12）Asia Pacific Cancer Conference |
| 13）Asian Pacific Association for the Study of the Liver |
| 14）Asian Surgical Association |
| 15）Asian-Pacific Congress of Gastroenterology |
| 16）Asian-Pacific Hepato-Pancreato-Biliary Association |
| 17）Association of Coloproctology of Great Britain and Ireland |
| 18）Congress of Asia-Pacific Federation of Coloproctology |
| 19）Congress of the Asian Society of Transplantation |
| 20）Endoscopic and Laparoscopic Surgeons of Asia |
| 21）European Society for Medical Oncology |
| 22）European Society for Organ Transplantation |
| 23）European Society for Surgical Research |
| 24）European Society of Coloproctology |
| 25）European Society of Parenteral and Enteral Nutrition |
| 26）International Association for the Study of the Liver |
| 27）International Association of Pancreatology |
| 28）International College of Surgeons |
| 29）International Conference on Gastroenterological Carcinogenesis |
| 30）International Congress of the European Association for Endoscopic Surgery |
| 31）International Congress of the Transplantation Society |
| 32）International Gastric Cancer Congress |
| 33）International Hepato-Pancreato-Biliary Association |
| 34）International Society for Digestive Surgery（CICD） |
| 35）International Society for Diseases of the Esophagus |
| 36）International Society of Surgery（ISS）/Societe Internationale de Chirurgie（SIC） |
| 37）International Society of the Chemotherapy |
| 38）International Society of University Colon and Rectal Surgeons |
| 39）Society for Surgery of the Alimentary Tract |
| 40）Society of American Gastrointestinal Endoscopic Surgeons |
| 41）Society of Surgical Oncology |
| 42）Society of University Surgeons |
| 43）World Cancer Congress |
| 44）World Congress of Endoscopic Surgery |
| 45）World Congress of Gastroenterology |
| 46）World Congress of the International Association of Surgeons, Gastroenterologists and Oncologists |