InfoHeathyLife.com - Hormones of estrogen and progesterone can stimulate the growth of breast cancer cells. Not only that, these two hormones can also help even the growth and spread of tumor cells. As a result, the tumor can be formed in any part of the body. Most breast cancer patients have estrogen receptor-positive tumor cells, known as ER-positive (estrogen receptor-positive). And breast cancer, wherein said cancer cell progesterone response is referred to as positive PR (progesterone receptor positive). In some cases, breast cancer patients can have these two receptors. When someone is diagnosed with breast cancer, the doctor will do the test to find out the cause of the cancer cell. If hormones, the doctor may recommend hormonal therapy as a treatment regimen. Hormone therapy is also known as endocrine therapy, which can limit, prevent or eliminate the causes of breast cancer hormones. There are at least two types of hormone therapy for breast cancer, ie treatment is usually us...