title: Leiomyosarcoma of the rectum: report of a case.
mesh_terms: D000368:Aged; D001706:Biopsy; D006801:Humans; D007413:Intestinal Mucosa / Q000473:pathology; D007890:Leiomyosarcoma / Q000473:pathology*; D008297:Male; D012004:Rectal Neoplasms / Q000473:pathology*; D012007:Rectum / Q000473:pathology