Lancet. 2012 Jul 21;380(9838):218.
Tuesday, August 7, 2012
From the Lancet: Mammography screening: truth, lies, and controversy
http://www.ncbi.nlm.nih.gov/pubmed/22817975
We could not find an effect of screening in Denmark, despite having a 17-year concomitant control area comprising 80% of the population where no-one was invited to screening.2 And screening has not reduced the number of advanced cancers,3 which is a prerequisite for screening to work. In Denmark, the overdiagnosis was 33% after 17 years with screening,4 in good agreement with the 30% estimate from the trials.5
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