In the context of bad publicity for screening mammography, what has screenings effect on breast cancer mortality been in the USA?
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“The death rate from breast cancer had been unchanged for 50 years until the onset of mammography screening in the U.S. in the mid-1980s. Now, there are 15,000 to 20,000 fewer deaths from breast cancer each year than in the pre-screening era. “ Kopans. 2006.
The mortality from breast cancer in the USA is almost 30% lower today than it was from after the Second World war. This mortality was unchanged from 1945 to the late 80's when screening was instituted.