Prempro Hormone Therapy Amplifies Breast Cancer Risks, Study Finds

Hormone treatment after menopause, already known to increase the risk of breast cancer, also makes it more likely that the cancer will be advanced and deadly, a study finds.

Women who took hormones and developed breast cancer were more likely to have cancerous lymph nodes, a sign of more advanced disease, and were more likely to die from the disease than were breast cancer patients who had never taken hormones.

The increased risks were relatively small and are not fully understood. But previous research has found that hormone treatment can cause delays in diagnosis by increasing breast density, making tumors harder to see on mammograms. Delayed diagnosis may increase the risk of death.

via Prempro Hormone Therapy Amplifies Breast Cancer Risks, Study Finds – NYTimes.com.

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