DF/HCC Protocol #:17-318 Positive Metastatic Breast Cancer ...

2.1 Metastatic HER2-Positive, ER-Positive Breast Cancer Breast cancer is the most common malignancy in women in the United States. Every year, more than 230,000 women are diagnosed, and more than 40,000 women die of breast cancer.1 Most of these deaths are due to metastatic breast cancer. Though existing treatments may effectively ................
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