^○Osamu Shimomura¹, Tasuya Oda¹, Masanao Kurata¹, Yoshihiro Miyazaki¹, Shinji Hashimoto², Kazuhiro Takahasi¹, Yukio Ohshiro¹, Nobuhiro Ohkohchi¹ (1.Department of GI & HBP Surgery, University of Tsukuba, Ibaraki, Japan, 2.Koyama memorial Hospital, Ibaraki, Japan)

^○Yutaka Endo¹, Minoru Kitago¹, Masahiro Shinoda¹, Hiroshi Yagi¹, Yuta Abe¹, Kiminori Takano¹, Go Ohshima¹, Yutaka Nakano¹, Takahiro Yokose¹, Taizo Hibi², Osamu Itano^1,3, Yuko Kitagawa¹ (1.Department of Surgery, Keio University, Tokyo, Japan, 2.Department of Transplantation/Pediatric Surgery, Kumamoto University, Kumamoto, Japan, 3.Department of Surgery, International University of Health and Welfare, Narita, Japan)

^○Huanlin Wang, Motoyuki Yamagata, Takashi Sonoda (Department of Surgery, Saiseikai Karatsu Hospital, Karatsu, Japan)

^○Yang Lyu², Xu Han², Xue-Feng Xu², Yuan Ji³, Yu-Hong Zhou⁴, Hui-Chuan Sun¹, Jian Zhou¹, Jia Fan¹, Wen-Hui Lou², Cheng Huang¹ (1.Department of Liver Cancer Institute and Zhongshan Hospital, Fudan University; Key Laboratory for Carcinogenesis and Cancer Invasion, Chinese Ministry of Education, 2.Department of Pancreatic Surgery, Zhongshan Hospital, Fudan University, 3.Department of Pathology, Zhongshan Hospital, Fudan University, 4.Department of Oncology Zhongshan Hospital, Fudan University)

^○Yuta Kuhara, Yoshiaki Murakami, Kenichiro Uemura, Naru Kondo, Naoya Nakagawa, Kenjiro Okada, Taijiro Sueda (Department of Surgery, Institute of Biomedical and Health Sciences, Hiroshima University)