title: "A brownish depressed area": a novel narrow band imaging colonoscopic finding of a depressed adenoma.
authors.forename: K
authors.initials: K
authors.lastname: Fu
authors.forename: Y
authors.initials: Y
authors.lastname: Tsujinaka
authors.forename: Y
authors.initials: Y
authors.lastname: Hamahata
authors.forename: K
authors.initials: K
authors.lastname: Matsuo
authors.forename: O
authors.initials: O
authors.lastname: Tsutsumi
mesh_terms: D000236:Adenoma / Q000175:diagnosis*; D003110:Colonic Neoplasms / Q000175:diagnosis*; D003113:Colonoscopy / Q000379:methods; D006801:Humans; D008297:Male; D008875:Middle Aged