title: Rectal leiomyosarcoma in a horse.
abstract: A mass originating from the dorsal rectal wall of a 4-year-old mare was diagnosed as a leiomyosarcoma. General anesthesia and meticulous surgical dissection were required to effect removal. In spite of incomplete excision, as indicated by histologic sections, the mass has not recurred in the 18 months since removal.
mesh_terms: D000818:Animals; D005260:Female; D006734:Horse Diseases / Q000601:surgery*; D006736:Horses; D007890:Leiomyosarcoma / Q000601:surgery / Q000662:veterinary*; D012004:Rectal Neoplasms / Q000601:surgery / Q000662:veterinary*