With mammograms coming under harsh scrutiny in recent years for their failure to detect some breast cancers and their overdiagnosis of harmless findings, imaging device manufacturers have been racing to get better breast cancer screening tools into clinical practice. So far a new digital 3-D mammogram — called breast tomosynthesis — has shown the most promise in dramatically reducing the number of women called back for suspicious-looking findings that turn out to be benign and detecting tumors not revealed on the traditional 2-D X-ray.
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