Squamous cell carcinoma of the anal canal: a statistical analysis of 19 cases.
D001003:Anal Canal; D001005:Anus Neoplasms; D002277:Carcinoma; D002294:Carcinoma, Squamous Cell / Q000706:statistics & numerical data*; D006801:Humans
ANUS/neoplasms; CARCINOMA, EPIDERMOID/statistics