Carcinoma in situ associated with virus-containing anal warts.
D000328:Adult; D001004:Anus Diseases / Q000150:complications*; D002277:Carcinoma / Q000150:complications*; D003218:Condylomata Acuminata / Q000150:complications / Q000473:pathology; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D010212:Papilloma / Q000150:complications*; D027383:Papillomaviridae / Q000302:isolation & purification; D014777:Virus Diseases / Q000150:complications*