Leiomyosarcoma of the rectum.
D000368:Aged; D001014:Aortic Aneurysm / Q000601:surgery; D001807:Blood Vessel Prosthesis; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology*; D008297:Male; D009362:Neoplasm Metastasis; D012004:Rectal Neoplasms / Q000473:pathology*