title: 70-year-old man with abdominal pain amd weight loss.
authors.affiliation: Internal Medicine, Mayo Graduate School of Medicine, Mayo Clinic Rochester, Minnesota, USA.
authors.forename: N E
authors.initials: NE
authors.lastname: Vlahakis
authors.forename: S C
authors.initials: SC
authors.lastname: Litin
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D000368:Aged; D001064:Appendicitis / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004630:Emergencies; D006801:Humans; D008297:Male; D015431:Weight Loss