Beneficial effect of repeated participation in breast cancer screening upon survival.

Even after this conservative adjustment, there was a clear and highly significant reduction in hazard of breast cancer death with increasing number of screens participated in.

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found a decreasing trend in the proportion of late-stage disease with the number of prior mammograms. 14 In Australia, Kou et al. 15 found that regular mammography was associated with a decreased risk of late stage, grade 3 or hormone receptor negative cancers.

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