title: Leiomyosarcoma of the duodenum.
mesh_terms: D000368:Aged; D004379:Duodenal Neoplasms / Q000175:diagnosis* / Q000473:pathology; D004724:Endoscopy; D006801:Humans; D007890:Leiomyosarcoma / Q000175:diagnosis* / Q000473:pathology; D008297:Male