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Hormone receptor-positive breast cancer cells have a receptor for the hormone progesterone (PR+), estrogen (ER+), or both on their cell membrane. When exposed to these hormones, the cancer cells grow and divide, forming larger tumors.
Most breast cancers test positive for estrogen receptors. More than 50 percent are both estrogen and progesterone receptor-positive. However, only about two percent are progesterone receptor-positive alone. Hormone receptor-positive breast cancers are more common in women who have gone through menopause. They also tend to grow more slowly than hormone receptor-negative breast cancers.
At Dignity Health Southern California hospitals, we deliver advanced cancer care technology with a healing touch — from screening for early detection to personalized treatment options. If you or a loved one has been diagnosed with hormone receptor-positive breast cancer in Southern California, Find a Doctor at one of our hospitals:
Hormone receptor-positive breast cancer doesn’t have any specific symptoms. Most cancers of this type are noticed during a mammogram, a recommended cancer screening for women.
If symptoms are present, they may include:
The most effective prevention for hormone receptor-positive breast cancer, or any type of breast cancer, is having an annual screening mammogram.
Doctors use a tissue biopsy to diagnose hormone receptor-positive breast cancer. This test can also help guide treatment decisions by determining HER2 protein status and the stage and type of cancer.
At Dignity Health Southern California hospitals, with locations in Long Beach, Northridge, Downtown LA, Glendale, and San Bernardino, doctors and staff combine aggressive treatment with dignity and compassion to help get you back to your healthy life.
The main treatment for most cases of hormone receptor-positive breast cancer is surgery. Mastectomy removes the entire breast. Lumpectomy removes the cancerous tumor and a small amount of normal tissue surrounding it. You’ll likely have radiation therapy after a lumpectomy to kill any remaining cancer cells.
Other treatments include:
Dignity Health offers screening and treatment for hormone receptor-positive breast cancer in Southern California.