Poorly Differentiated Invasive Breast Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** An invasive breast carcinoma characterized by the presence of poorly differentiated histopathological features.

**Synonyms:** - Grade 3 Infiltrating Breast Carcinoma - Grade 3 Invasive Breast Carcinoma - High Combined Histologic Grade Infiltrating Breast Carcinoma - Poorly Differentiated Infiltrating Breast Carcinoma - Unfavorable Infiltrating Breast Carcinoma