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New Study: Surgery Not Best Option for Very Early-Stage Breast Cancer


Canadian researchers find mortality rates not affected by aggressive surgical intervention.

A common diagnosis of very early-stage breast cancer sends thousands of women into the operating room each year for mastectomies or lumpectomies, but a new study now suggests that such surgeries may be unnecessary.

In an article published Thursday in JAMA Oncology, researchers at Toronto’s Women’s College Research Institute and the University of Toronto reported that those who opted for surgery as a result of a diagnosis of ductal carcinoma in situ (D.C.I.S.) were just as likely to die of breast cancer as women in the general population.

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