title: Clinical challenges and images in GI. Image 2.
authors.affiliation: Department of Gastroenterology, Changhua Christian Hospital, Changhua, Taiwan, ROC.
authors.forename: Hsu-Heng
authors.initials: HH
authors.lastname: Yen
authors.forename: Yang-Yuan
authors.initials: YY
authors.lastname: Chen
authors.forename: Hwa-Koon
authors.initials: HK
authors.lastname: Wu
mesh_terms: D000328:Adult; D000792:Angiography; D003113:Colonoscopy; D003251:Constriction, Pathologic / Q000150:complications / Q000175:diagnosis / Q000473:pathology; D004378:Duodenal Diseases / Q000175:diagnosis* / Q000209:etiology; D004386:Duodenum / Q000098:blood supply*; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008297:Male; D008642:Mesenteric Veins / Q000473:pathology; D014648:Varicose Veins / Q000150:complications / Q000175:diagnosis*