A large, multicenter trial published in the Journal of the American Medical Association showed benefits from adding ultrasound—for women at the highest risk. The trial involved some 3,000 women with denser breasts (BI-RADS 3 and 4), who also had one other risk factor. Results showed that 7.6 cancers were found per 1,000 women who had had a mammogram and no other testing. But 11.8 cancers were found per 1,000 women among those who had had a mammogram and a screening ultrasound, a 55 percent increase in sensitivity. So it’s worth discussing all your risk factors with your doctor.
You can lower your odds of developing breast cancer by losing weight if you need to and exercising regularly, advises Kerlikowske. The American Cancer Society recommends working out moderately for 150 minutes or vigorously for 75 minutes a week.
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