About 80% of all.
Hormone Receptor-Positive Breast Cancer. If your breast cancer has a significant number of receptors for either estrogen or progesterone, it’s considered hormone-receptor positive. Tumors that are ER/PR-positive are much more likely to respond to hormone therapy than tumors that.
Learn more about how the hormone receptor status of a breast cancer is used in Cancers are called hormone receptor-positive or hormone receptor-negative.
Compared to women diagnosed with estrogen receptor positive (ER+) breast cancer, those with estrogen receptor negative (ER−) tumors are.