Affiliation: | 1.Department of Gastroenterological Surgery, Graduate School of Medicine, Osaka University, 2-2-E2 Yamadaoka, Suita, Osaka, 565-0871, Japan ;2.Department of Surgery, Japan Community Health Care Organization Osaka Hospital, 4-2-78, Fukushima, Fukushima-Ku, Osaka, Japan ;3.Department of Surgery, Osaka General Medical Center, 3-1-56, Bandai-Higashi, Sumiyoshi-Ku, Osaka, Osaka, 558-8558, Japan ;4.Department of Surgery, Osaka International Cancer Institute, 3-1-69, Otemae, Chuo-Ku, Osaka, Osaka, 541-8567, Japan ;5.Department of Surgical Pathology, Hyogo Medical University School of Medicine, 1-1, Mugogawa-Cho, Nishinomiya, Hyogo, 663-8501, Japan ;6.Department of Gastroenterology and Hepatology, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita, Osaka, 565-0871, Japan ; |