^○William R Jarnagin (Memorial Sloan Kettering Cancer Center, USA)

^○Yasuhiro Yabushita, Ryusei Matsuyama, Nobuhiro Tsuchiya, Takashi Murakami, Yu Sawada, Yuki Honma, Takafumi Kumamoto, Itaru Endo (Department of Gastroenterological Surgery, Yokohama City University School of Medicine)

^○Yusuke Takemura¹, Yuta Abe¹, Masahiro Shinoda¹, Minoru Kitago¹, Hiroshi Yagi¹, Kiminori Takano¹, Go Oshima¹, Yuki Masuda¹, Taizo Hibi², Osamu Itano^1,3, Yuko Kitagawa¹ (1.Department of Surgery, Keio University, Tokyo, Japan, 2.Department of Transplantation and Pediatric Surgery, Postgraduate School of Medical Sciences, Kumamoto University, 3.Department of Gastrointestinal Surgery, International University of Health and Welfare)

^○Naohisa Kuriyama, Masanobu Usui, Aoi Hayasaki, Yusuke Iizawa, Takehiro Fuji, Hiroyuki Kato, Yasuhiro Murata, Akihiro Tanemura, Yoshinori Azumi, Masashi Kishiwada, Shugo Mizuno, Hiroyuki Sakurai, Shuji Isaac (Department of Hepatobiliary Pancreatic and Transplant Surgery, Mie University, Mie, Japan)

^○Kei Nakagawa, Koji Fukase, Kunihiro Masuda, Masahiro Iski, Tatsuyuki Takadate, Tatsuo Hata, Kyohei Ariake, Takeshi Aoki, Masaharu Ishida, Masamichi Mizuma, Hideo Otsuka, Hiroki Hayashi, Takanori Morikawa, Fuyuhiko Motoi, Takeshi Naitoh, Michiaki Unno (Department of Surgery, Tohoku University, Sendai, Japan)

^○Hiroshi Wada, Akira Tomokuni, Hidenori Takahashi, Shogo Kobayashi, Shigeru Marubashi, Kunihito Gotoh, Kei Asukai, Hirofumi Akita, Masato Sakon (Department of Surgery, Osaka International Cancer Institute)