Epidermoid carcinoma of the rectum arising in a congenital urinary cyst.
D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D003560:Cysts; D006801:Humans; D012004:Rectal Neoplasms; D012007:Rectum
CARCINOMA, EPIDERMOID; RECTUM/neoplasms