Transitional cloacogenic carcinoma of the anus.
D001003:Anal Canal / Q000033:anatomy & histology / Q000196:embryology; D001005:Anus Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000628:therapy; D002295:Carcinoma, Transitional Cell / Q000175:diagnosis / Q000473:pathology / Q000628:therapy; D002988:Cloaca / Q000033:anatomy & histology; D006801:Humans; D009362:Neoplasm Metastasis; D009378:Neoplasms, Multiple Primary; D011379:Prognosis