Squamous-cell carcinoma of the anus; a case with origin in a crypt of Morgagni.
D001003:Anal Canal; D001005:Anus Neoplasms; D002277:Carcinoma; D002294:Carcinoma, Squamous Cell; D006801:Humans; D008499:Medical Records
ANUS/neoplasms; CARCINOMA, EPIDERMOID/case reports