Anal Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A carcinoma that arises from the anal canal or perianal area (anal margin). Histologic types include squamous cell carcinoma and adenocarcinoma.

**Synonyms:** - Anal Cancer - Anal Cancer - Anal Cancer - Anal Cancer (all types) - Anal cancer - Anal cancer, NOS - Cancer of Anus - Cancer of the Anus - Carcinoma of Anus - Carcinoma of the Anus - anal cancer