Breast Myoepithelial Tumor

**Semantic type:** Neoplastic Process

**Definition:** A benign or malignant tumor that arises from the breast and originates from or is composed of myoepithelial cells. Representative examples include adenomyoepithelioma, myoepitheliosis, and malignant myoepithelioma.

**Synonyms:** - Breast Myoepithelial Neoplasm