title: Primary aortoduodenal fistula without abdominal aortic aneurysm.
mesh_terms: D000368:Aged; D001018:Aortic Diseases / Q000150:complications* / Q000175:diagnosis; D004378:Duodenal Diseases / Q000150:complications* / Q000175:diagnosis; D005402:Fistula / Q000150:complications* / Q000175:diagnosis; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007412:Intestinal Fistula / Q000150:complications* / Q000175:diagnosis; D008297:Male