Intended for healthcare professionals

Letters Mammography screening

Stable incidence of advanced breast cancer argues against screening effectiveness

BMJ 2014; 349 doi: (Published 26 November 2014) Cite this as: BMJ 2014;349:g6358
  1. Philippe Autier, professor and research director1,
  2. Cécile Pizot, statistician1,
  3. Mathieu Boniol, professor and senior statistician1
  1. 1University of Strathclyde Institute of Global Public Health at iPRI, International Prevention Research Institute (iPRI), Espace Européen d’Ecully, 69130 Ecully Ouest Lyon, France
  1. philippe.autier{at}

Swedish trials on mammography screening of women aged 40-74 years indicated that two to four rounds of screening could significantly reduce the risk of being diagnosed with and dying from advanced breast cancer.1 Because stage at diagnosis is independent of treatment efficacy, the trials concluded that the introduction of screening in general populations …

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