Rectal Cloacogenic Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A carcinoma that arises from the transitional zone at the junction of the rectum and anus.

**Synonyms:** - Cloacogenic Carcinoma of Rectum - Cloacogenic Carcinoma of the Rectum - Rectal Transition Zone Carcinoma - Rectal Transitional Zone Carcinoma - Transition Zone Carcinoma of Rectum - Transition Zone Carcinoma of the Rectum - Transitional Zone Carcinoma of Rectum - Transitional Zone Carcinoma of the Rectum