Bowen's disease of the anus.
D001003:Anal Canal; D001005:Anus Neoplasms; D001913:Bowen's Disease; D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D006801:Humans; D008499:Medical Records; D012878:Skin Neoplasms
ANUS/neoplasms; CARCINOMA, EPIDERMOID/case reports