Department of Gastroenterology and Hepatology;
Okayama University Graduate School of Medicine;
Dentistry;
and Pharmaceutical Sciences;
Okayama 700-8558;
Okayama;
Japan;
Department of Gastroenterology;
Kagawa Prefectural Central Hospital;
Takamatsu 760-8557;
Kagawa;
Japan;
Department of Endoscopy;
Hiroshima City Hiroshima Citizens Hospital;
Hiroshima 730-8518;
Hiroshima;
Japan;
Department of Gastroenterology and Hepatology;
Kurashiki Central Hospital;
Kurashiki 710-8602;
Okayama;
Japan;
Department of Gastroenterology and Hepatology;
Okayama Saiseikai General Hospital;
Okayama 700-8511;
Okayama;
Japan;
Department of Gastroenterology;
National Hospital Organization Iwakuni Clinical Center;
Iwakuni 740-8510;
Yamaguchi;
Japan;
Department of Gastroenterology;
National Hospital Organization Fukuyama Medical Center;
Fukuyama 720-8521;
Hiroshima;
Japan;
Department of Internal Medicine;
Fukuyama City Hospital;
Fukuyama 721-8511;
Hiroshima;
Japan;
Department of Pathology;
Okayama University Hospital;
Okayama 700-8558;
Okayama;
Japan;
Department of Practical Gastrointestinal Endoscopy;
Okayama University Graduate School of Medicine;
Dentistry and Pharmaceutical Sciences;
Okayama 700-8558;
Okayama;
Japan;
Endoscopic submucosal dissection; Gastric tube; Gastric cancer; Esophagectomy; Multicenter study; Retrospective study;