Bowen's disease of the anal region: squamous cell carcinoma in situ; report of three cases.
D001003:Anal Canal; D001005:Anus Neoplasms; D001913:Bowen's Disease; D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D006801:Humans; D012878:Skin Neoplasms
ANUS/neoplasms; CARCINOMA, EPIDERMOID