Rectal Sarcomatoid Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A biphasic rectal carcinoma with a spindle cell sarcomatoid component.

**Synonyms:** - Rectal Sarcomatoid Cancer - Rectal Spindle Cell Carcinoma - Sarcomatoid Carcinoma of Rectum - Sarcomatoid Carcinoma of the Rectum