NCIt synonyms : Carcinoma of Anus; Carcinoma of the Anus; Cancer of the Anus; Cancer of Anus;
NCIt related terms : Anal Cancer (all types); Anal cancer, NOS; anal cancer;
NCIt definition : A carcinoma that arises from the anus. Anal carcinomas include the anal canal and
perianal area (anal margin) carcinomas. Perianal carcinomas are staged separately
as skin carcinomas in AJCC v6 and v7 editions. The AJCC v8 edition staging system
applies to all carcinomas arising in the anal canal, including carcinomas that arise
within anorectal fistulas and those arising in the perianal area (anal margin).;
Alternative definition : NCI-GLOSS: Cancer that forms in tissues of the anus. The anus is the opening of the
rectum (last part of the large intestine) to the outside of the body.;