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Breast cancer drug may have serious risk

August 26, 2009 6:48:46 AM PDT
There's disturbing news about a drug commonly used to battle breast cancer. The hormone drug Tamoxifen is a standard treatment for estrogen receptive breast cancer, but a new study links long-term use of the drug to a rare and aggressive second form of breast cancer.

Experts say the findings shouldn't stop breast cancer patients from taking Tamoxifen because of its proven benefits.

However, patients should be aware of the potential risks.

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