Clinical trials have found a relative reduction in breast cancer mortality of 15% with screening, but due to harm from false positive screening and increased mortality from other causes, the Cochrane Collaboration could not conclude whether screening did more harm than good.
Clinical trials have found a relative reduction in breast cancer mortality of 15% with screening, but due to harm from false positive screening and increased mortality from other causes, the Cochrane Collaboration could not conclude. Screening did more harm than good.