Study: 1.3 Million Overdiagnosed Breast Cancers in 30 Years

In the past 30 years, an estimated 1.3 million American women had breast cancers that were “overdiagnosed,” which means their screening-detected tumors would never have led to clinical symptoms, according to a study published in the November 22 issue of the New England Journal of Medicine.

http://www.medscape.com/viewarticle/774966