[1]Department of Surgical Oncology;
Kanazawa Medical University;
Ishikawa 920-0293;
Japan;
[2]Division of Gastroenterological Surgery;
Yokohama Municipal Citizen’s Hospital;
Yokohama 240-8555;
Japan;
[3]Department of Gastroenterological;
Breast and Transplant Surgery;
Hiroshima Prefectural Hospital;
Hiroshima 734-8530;
Japan;
[4]Department of Surgery;
Asama General Hospital;
Saku 385-0222;
Japan;
[5]Department of Surgery;
International University of Health and Welfare Hospital;
Tochigi 329-2763;
Japan;
[6]Department of Surgery;
Imamura General Hospital;
Kagoshima 890-0064;
Japan;
[7]Faculty of Letters;
Arts and Sciences;
Waseda University;
Tokyo 162-8644;
Japan;
[8]Department of Physical Medicine and Rehabilitation;
Tohoku University Graduate School of Medicine;
Sendai 980-8575;
Japan;
[9]Division of Gastric Surgery;
Shizuoka Cancer Center;
Shizuoka 411-8777;
Japan;
[10]Department of Gastroenterological Surgery;
Nagoya University Graduate School of Medicine;
Nagoya 466-8550;
Japan;
[11]Department of Laboratory Medicine;
The Jikei University Daisan Hospital;
Postgastrectomy syndrome; Gastrectomy; Gastric cancer ; Postgastrectomy Syndrome Assessment Scale-45;