title: CARCINOMA IN SITU OF THE CANAL: REPORT OF A CASE.
mesh_terms: D001005:Anus Neoplasms; D002277:Carcinoma; D002278:Carcinoma in Situ; D002294:Carcinoma, Squamous Cell; D006801:Humans; D010336:Pathology; D014456:Ulcer
keywords: ANUS NEOPLASMS; CARCINOMA, EPIDERMOID; PATHOLOGY; ULCER