title: Simple ulcer of the terminal ileum.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D007082:Ileum; D007414:Intestinal Neoplasms / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D010488:Polyarteritis Nodosa / Q000150:complications; D014456:Ulcer / Q000175:diagnosis / Q000209:etiology