If your breast cancer has a significant number of receptors for either estrogen or progesterone, it's considered hormone-receptor positive.
A cancer is called estrogen-receptor-positive (or ER+) if it has receptors for estrogen. This suggests that the cancer cells, like normal breast.
This kind of treatment is helpful for hormone receptor-positive breast cancers, but it doesn't work on tumors that are hormone receptor-negative (both ER- and.
In breast cancer, hormone receptors are the proteins located in and around breast cells. These receptors signal cells — both.
Curr Med Chem. ;20(5) Treatment of estrogen receptor-positive breast cancer. Lumachi F(1), Brunello A, Maruzzo M, Basso U, Basso SM.