Affiliation: | 1. Division of Gastroenterological Surgery, Department of Surgery, Tohoku University Graduate School of Medicine, Aoba‐ku, Sendai, Japan;2. Department of Surgery, Osaka Medical Center for Cancer and Cardiovascular Diseases, Osaka, Japan;3. Department of Surgery, School of Medicine, Teikyo University, Tokyo, Japan;4. Department of Surgery, Nara Medical University, Nara, Japan;5. Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Osaka, Japan;6. Division of Hepato‐Biliary‐Pancreatic Surgery, Department of Surgery, Kobe University Graduate School of Medicine, Kobe, Japan;7. Department of Surgery, Kansai Medical University, Osaka, Japan;8. Department of Surgery, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan;9. Department of Hepatobiliary Pancreatic and Transplant Surgery, Mie University Graduate School of Medicine, Mie, Japan;10. Department of Hepato‐Biliary‐Pancreatic Surgery, Tokyo Metropolitan Cancer and Infectious Diseases Center Komagome Hospital, Tokyo, Japan;11. Department of Surgery, Kurume University School of Medicine, Fukuoka, Japan;12. Department of Gastroenterological Surgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan;13. Department of Surgery, Tochigi Cancer Center, Utsunomiya, Japan;14. Department of Surgery, Keio University School of Medicine, Tokyo, Japan;15. Department of Gastroenterologic Surgery, Division of Cancer Medicine, Graduate School of Medicine Science, Kanazawa University, Kanazawa, Japan;16. School of Health Sciences, Kagoshima University Faculty of Medicine, Kagoshima, Japan;17. Department of Surgery, Saiseikai Kumamoto Hospital, Kumamoto, Japan;18. Hepatobiliary and Pancreatic Surgery Division, National Cancer Center Hospital, Tokyo, Japan;19. Second Department of Surgery, Wakayama Medical University, Wakayama, Japan;20. Japanese Society of Hepato‐Biliary‐Pancreatic Surgery, Tokyo, Japan |