title: Gastrointestinal bleeding and obstruction due to giant gallstone impaction in the duodenal bulb.
mesh_terms: D002769:Cholelithiasis / Q000150:complications*; D004378:Duodenal Diseases / Q000209:etiology*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology*; D008297:Male; D008875:Middle Aged