Many Women With Common Breast Cancer Can Safely Skip Chemo, Study Says

(CNN) — About 70% of women diagnosed with the early stages of one of the most common forms of breast cancer might not need chemotherapy as part of treatment, according to the results of a long-awaited study presented at the American Society of Clinical Oncology meeting in Chicago Sunday.
The study, published Sunday in the New England Journal of Medicine, analyzed how well a widely used genetic test assessed cancer risk, based on 21 genes linked with breast cancer recurrence.
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