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on mammograms breast study Government
The researchers surmised that advances in treatment may have equalised the survival curves in the study cohorts. In situ carcinomas continued to be picked up more readily with mammography, with 71 in situ carcinomas compared with 16 in the physical examination group. The difference between the value found in this work and Marmot et al 9 is likely to be due to the uncertainty associated with estimating the amount of over-diagnosis and the mortality rate for women with symptomatic cancers. Behavioral: Questionnaire Other: Health Measurements.