Squamous cell carcinoma of the anal canal following multiple hemorrhoidectomies.
D001003:Anal Canal; D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D013505:Digestive System Surgical Procedures; D061865:Hemorrhoidectomy; D006484:Hemorrhoids / Q000601:surgery*; D006801:Humans; D008499:Medical Records
CARCINOMA, EPIDERMOID/case reports; HEMORRHOIDS/surgery