Refractory HER2-Negative Breast Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A HER2-negative breast adenocarcinoma that is resistant to treatment.

**Synonyms:** - Refractory HER2 Negative Breast Adenocarcinoma - Refractory HER2 Negative Breast Carcinoma - Refractory HER2 Negative Breast Carcinoma