title: A 74-year-old man with abdominal pain.
authors.affiliation: Section of Gastroenterology, Rush University Medical Center, 1725 W. Harrison Street, Suite 207, Chicago, IL 60612, USA. Maqsood_Khan@rush.edu
authors.forename: Maqsood A
authors.initials: MA
authors.lastname: Khan
authors.forename: Kevin B
authors.initials: KB
authors.lastname: Patel
authors.forename: Robert J
authors.initials: RJ
authors.lastname: March
authors.forename: Mohammed
authors.initials: M
authors.lastname: Nooruddin
authors.forename: Michael D
authors.initials: MD
authors.lastname: Brown
mesh_terms: D015746:Abdominal Pain / Q000175:diagnosis / Q000209:etiology*; D000368:Aged; D001013:Aorta, Thoracic; D003937:Diagnosis, Differential; D004378:Duodenal Diseases / Q000150:complications* / Q000175:diagnosis; D016099:Endoscopy, Gastrointestinal; D006801:Humans; D007412:Intestinal Fistula / Q000150:complications* / Q000175:diagnosis; D008297:Male; D014057:Tomography, X-Ray Computed; D016157:Vascular Fistula / Q000150:complications* / Q000175:diagnosis