Sep 14, · What Is Triple-Negative Breast Cancer? Triple-negative breast cancer is a kind of breast cancer that does not have any of the receptors that are commonly found in breast cancer.. Think of cancer . Recurrent Triple-negative Breast cancer. For women with triple-negative breast cancer that has come back (recurred) locally, cannot be removed with surgery, and makes the PD-L1 protein, .
Sep 21, · If you’ve been diagnosed with breast cancer, you may learn that the breast cancer cells test negative for estrogen and progesterone receptors and HER2. Testing negative for all three is often called triple-negative. About % of breast cancers are triple-negative. Learn more about triple-negative breast cancer.