title: Leiomyosarcoma of the duodenum: two cases, one with echographic image.
mesh_terms: D000328:Adult; D000368:Aged; D004379:Duodenal Neoplasms / Q000175:diagnosis / Q000473:pathology*; D004452:Echocardiography; D006801:Humans; D007890:Leiomyosarcoma / Q000175:diagnosis / Q000473:pathology*; D008297:Male