Department of Endoscopy;
the Jikei University School of Medicine;
Department of Internal Medicine;
Division of Gastroenterology and Hepatology;
the Jikei University School of Medicine;
Department of Pathology;
the Jikei University School of Medicine;
Image; enhanced; endoscopy; Hyperplasticpolyp; Early; colon; cancer; Traditional; serrated; adenoma; Sessile; serrated; adenoma/polyp;