Breast Mixed Epithelial/Mesenchymal Metaplastic Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An invasive breast carcinoma characterized by the presence of a mesenchymal cellular component. The mesenchymal cellular component ranges from cartilaginous and osseous, to purely sarcomatous.

**Synonyms:** - Breast Carcinosarcoma - Mixed Epithelial/Mesenchymal Metaplastic Breast Carcinoma