title: What is type II-open pit pattern?
authors.affiliation: Akita Red Cross Hospital, Digestive Disease Center, Akita, Japan.
authors.forename: Hiro-o
authors.initials: HO
authors.lastname: Matsushita
authors.affiliation: Akita Red Cross Hospital, Digestive Disease Center, Akita, Japan.
authors.forename: Hiro-o
authors.initials: HO
authors.lastname: Yamano
mesh_terms: D003113:Colonoscopy / Q000379:methods*; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D007413:Intestinal Mucosa / Q000000981:diagnostic imaging*; D062048:Narrow Band Imaging / Q000379:methods*