Advanced HER2-Negative Breast Carcinoma

**Semantic type:** Neoplastic Process

**Definition:** A HER2-negative breast adenocarcinoma that has spread extensively to other anatomic sites or is no longer responding to treatment.

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