Leiomyosarcoma of the rectum.
D000368:Aged; D001706:Biopsy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007890:Leiomyosarcoma / Q000175:diagnosis / Q000473:pathology / Q000601:surgery*; D008297:Male; D008722:Methods; D008875:Middle Aged; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local; D012004:Rectal Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000601:surgery*