Immunotherapy is a type of drug that might be an option if you have triple-negative breast cancer.
Triple-negative breast cancer, also called basal-like breast cancer, is not sensitive to hormones. This means that the breast cancer cells don’t use estrogen or progesterone to grow and they don’t have hormone receptors. This type of breast cancer also doesn’t produce too much of the growth-promoting protein called HER2.
“Triple-negative breast cancer is about 10% to 15% of all breast cancer cases,” says Pooja Advani, M.D., a medical oncologist with the Robert and Monica Jacoby Center for Breast Health at Mayo Clinic in Florida.
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