Otis Brawley

Third of breast cancer patients get unnecessary treatment, study finds

Third of breast cancer patients get unnecessary treatment, study finds

One in three women with breast cancer detected by a mammogram is treated unnecessarily, because screening tests found tumors that are so slow-growing that they're essentially harmless, according to a Danish study published Monday in the Annals of Internal Medicine, which has renewed debate over the value of early detection.

The study raises the uncomfortable possibility that some women who believe their lives were saved by mammograms were actually harmed by cancer screenings that led to surgery, radiation and even chemotherapy that they didn't need, said Dr. Otis Brawley, chief medical officer of the American Cancer Society, who wrote an accompanying editorial but was not...

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