The College of American Pathologists (CAP) and American Society of Clinical Oncology (ASCO) have reaffirmed the Human Epidermal Growth Factor Receptor 2 (HER2) Breast Cancer Testing Guidelines, reducing confusion over terminology for reporting HER2 results. The recent clinical trial for metastatic breast cancer patients (DESTINY-Breast04) found that a treatment traditionally used for HER2 positive patients […]