Ectopic Pancreas--not so rare, not so innocent.
D001660:Biliary Tract Diseases / Q000209:etiology; D002828:Choristoma / Q000150:complications*; D004380:Duodenal Obstruction / Q000209:etiology; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D005770:Gastrointestinal Neoplasms / Q000150:complications*; D006801:Humans; D010179:Pancreas