Beyond the bulb.
D000236:Adenoma / Q000175:diagnosis; D004378:Duodenal Diseases / Q000175:diagnosis*; D004379:Duodenal Neoplasms / Q000175:diagnosis; D004384:Duodenoscopy; D004386:Duodenum / Q000473:pathology; D004945:Esophagoscopy; D006801:Humans