^○Daisuke Satoh, Hiroyoshi Matsukawa, Kento Mishima, Shigehiro Shiozaki (Department of Surgery, Hiroshima City Hiroshima Citizens Hospital, Hiroshima, Japan)

^○Daisuke Ito, Katsumi Amikura, Masatoshi Kajiwara, Amane Takahashi, Hirohiko Sakamoto (Department of Degestive Surgery, Saitama Cancer Center)

^○Kosuke Hikita, Naokazu Chiba, Kei Yokotsuka, Shigeto Ochiai, Takahiro Gunzi, Masaaki Okihara, Toru Sano, Koichi Tomita, Rina Tutui, Shigeyuki Kawachi (Department of Digestive and Transplantation Surgery,Tokyo Medical University Hachioji Medical Center,Tokyo,Japan)

^○Shinji Itoh¹, Tomoharu Yoshizumi¹, Takashi Motomura¹, Yohei Mano¹, Takeo Toshiba¹, Noboru Harada¹, Toru Ikegami¹, Yuji Soejima¹, Ryuichi Kusaba², Takahide Kamishima², Akihiro Nishie³, Yoshihiko Maehara¹ (1.Department of Surgery and Science, Kyushu University, Fukuoka, Japan, 2.Department of Rehabilitation Medicine, Kyushu University Hospital, Fukuoka Japan, 3.Department of Clinical Radiology, Kyushu University, Fukuoka, Japan)