Colon Undifferentiated Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An invasive malignant epithelial tumor that arises from the colon. There is no morphologic, immunophenotypic, or molecular biological evidence of glandular or squamous differentiation.

**Synonyms:** - Carcinoma Simplex of the Colon. - Colon Anaplastic Carcinoma - Undifferentiated Carcinoma of Colon - Undifferentiated Carcinoma of the Colon - Undifferentiated Colon Cancer - Undifferentiated Colonic Carcinoma