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. 2009 May 19;100(12):1873–1878. doi: 10.1038/sj.bjc.6605082

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Copyright © 2009 Cancer Research UK

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Graph showing the age distribution of 7004 patients discharged from a symptomatic breast clinic after an initial assessment, 609 patients diagnosed with breast cancer at the initial assessment and 29 patients diagnosed with an ‘interval’ cancer in the 3 years after discharge after an initial assessment. The sensitivity of initial assessment examination is derived from the proportion of cancers that were detected at the first assessment compared with the total number of cancers developing in each age group over the 3-year period.