Rectal Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A malignant epithelial neoplasm that arises from the rectum. The vast majority are adenocarcinomas.

**Synonyms:** - Cancer of Rectum - Cancer of the Rectum - Carcinoma of Rectum - Carcinoma of the Rectum - Rectal Cancer - Rectal Cancer - Rectal Cancer - Rectal Cancer - Rectum Cancer - rectal cancer