title: 72-year old man with anemia and abdominal pain.
authors.affiliation: Mayo Graduate School of Medicine, Mayo Clinic Rochester, MN 55905, USA.
authors.forename: K L
authors.initials: KL
authors.lastname: Swanson
authors.forename: S C
authors.initials: SC
authors.lastname: Litin
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D000368:Aged; D000740:Anemia / Q000209:etiology*; D001018:Aortic Diseases / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004378:Duodenal Diseases / Q000175:diagnosis; D006801:Humans; D007412:Intestinal Fistula / Q000150:complications / Q000175:diagnosis*; D007579:Jejunal Diseases / Q000175:diagnosis; D008297:Male; D016157:Vascular Fistula / Q000150:complications / Q000175:diagnosis*