[Ectopic pancreas as a cause of bleeding in the upper gastrointestinal tract].
D003937:Diagnosis, Differential; D006801:Humans; D008551:Melena / Q000209:etiology*; D010179:Pancreas / Q000002:abnormalities*; D010182:Pancreatic Diseases / Q000175:diagnosis*; D010437:Peptic Ulcer / Q000175:diagnosis*; D012008:Recurrence