Borderline Breast Phyllodes Tumor

**Semantic type:** Neoplastic Process

**Definition:** A phyllodes tumor of the breast characterized by the presence of intermediate features and a stroma which usually resembles low grade fibrosarcoma.

**Synonyms:** - Borderline Breast Phyllodes Neoplasm - Borderline Phyllodes Neoplasm of Breast - Borderline Phyllodes Neoplasm of the Breast - Borderline Phyllodes Tumor of Breast - Borderline Phyllodes Tumor of the Breast - Low Grade Malignant Breast Phyllodes Tumor