According to a study sponsored by the National Cancer Institute which was published online by New England Journal of Medicine, gene test can determine if women with early-stage breast cancer can skip chemotherapy.
The test accurately identified a group of women whose cancers are so likely to respond to hormone-blocking drugs that adding chemo would do little if any good while exposing them to side effects and other health risks. In the study, women who skipped chemo based on the test had less than a 1 percent chance of cancer recurring far away, such as the liver or lungs, within the next five years.
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