Hormone Receptor-Positive Breast Cancer: Why Your HR Status Matters for Treatment Decisions

Hormone Receptor-Positive Breast Cancer: Why Your HR Status Matters for Treatment Decisions

If you or a loved one has been diagnosed with breast cancer, your doctor will test your hormone receptor (HR) status. But what does that mean, why does it matter and how can it affect your treatment decisions?  Seventy-80% of breast cancer cases are driven by the body’s natural hormones, estrogen and progesterone, which can fuel cancer growth. When a tumor is hormone receptor-positive (HR-positive), it responds to treatments that block the activ…