Malignant Rectal Neoplasm

**Semantic type:** Neoplastic Process

**Definition:** A primary or metastatic malignant neoplasm that affects the rectum. Representative examples include carcinoma, lymphoma, and sarcoma.

**Synonyms:** - Malignant Neoplasm of Rectum - Malignant Neoplasm of the Rectum - Malignant Rectal Tumor - Malignant Tumor of Rectum - Malignant Tumor of the Rectum - Malignant neoplasm of rectum