NCIt synonyms : Anal Canal Cancer; Anal Canal and Perianal Gland Carcinoma; Anal Canal and Perianal Gland Cancer;
NCIt definition : A squamous cell carcinoma or less frequently an adenocarcinoma, often associated with
human papillomavirus (HPV) infection. Homosexual men are at particular risk. The most
important prognostic factors are tumor stage and nodal status.;