Breast Pleomorphic Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A rare, aggressive, high grade invasive ductal carcinoma, not otherwise specified. It is characterized by the presence of pleomorphic and bizarre malignant cells that constitute more than 50 percent of the malignant cellular infiltrate.

**Synonyms:** - Anaplastic Breast Carcinoma - Pleomorphic Breast Carcinoma