Breast Cancer Screening in Denmark: A Cohort Study of Tumor Size and Overdiagnosis
This 2017 cohort study evaluated the impact of Denmark’s national breast cancer screening program on tumor size distribution and overdiagnosis rates. Analyzing data from 1980 to 2010, the study found that screening did not reduce the incidence of advanced tumors (>20 mm) but significantly increased the detection of nonadvanced tumors