Department of Surgery;
Yokkaichi Municipal Hospital;
Department of Gastroenterological Surgery;
Aichi Cancer Center;
Department of Gastroenterological Surgery (Surgery Ⅱ);
Nagoya University Graduate School of Medicine;
Department of Surgery;
Komaki Municipal Hospital;
Department of Surgery;
Konan Kosei Hospital;
Department of Surgery;
Ichinomiya Municipal Hospital;
Department of Surgery;
Gifu Prefectural Tajimi Hospital;
Department of Surgery;
Okazaki City Hospital;
Department of Surgery;
Tosei General Hospital;
Biostatistics Center;
Graduate School of Medicine;
Kurume University;
Gastric; cancer; Carcinoembryonic; antigen; Carbohydrate; antigen; 19-9; Perioperative; levels; Prognosis;