Breast cancer
A new test could help some women avoid chemotherapy
OF THE 1m or more women around the world who will develop breast cancer this year, a large proportion of them will receive a diagnosis of “node-negative, oestrogen receptor positive”. That means the cancer has not been found in the lymph nodes. After surgery, such women are likely to respond well to hormonal treatment, such as tamoxifen, to prevent a recurrence of the disease. Indeed, for roughly 85% of such patients, tamoxifen would be a sufficient remedy to stay free of breast cancer for at least ten years.
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