In this issue of the Journal of Breast Imaging, the validity of the Canadian National Breast
Screening Studies (CNBSS) is deeply questioned (1, 2). Of the eight randomized controlled …

The Canadian Breast Screening Studies 1 and 2 (CNBSS) were set up to estimate the effect
of breast cancer screening on mortality from the disease (1, 2). Since the first publications of …

In the commentary article “Mammogram Trials” published recently in Academic Radiology,
the scientific evidence supporting screening mammography is questioned (1). Contrary to …

Abstract Although the two Canadian National Breast Screening Study (CNBSS) trials were
performed 40 years ago, their negative findings continue to heavily influence screening …

Serious Scientific Flaws in the Canadian National Breast Screening Study Trials Revealed in a
Report from Breast Cancer Screening Experts | Radiology: Imaging Cancer RSNA "skipMainNavigation" …

I respectfully disagree with Drs. Jha and Ware's concluding statement “The CNBSS is
compelling enough to never start mammograms for breast cancer but not compelling …

Summary of Randomized Clinical Trials' Evidence for Mortality Benefit Nine randomized
clinical trials (RCTs) of film-screen mammography were initiated in the United States …

Objective To investigate why the Canadian National Breast Screening Study (CNBSS) did
not show mortality reduction with mammography. This study explored long-standing …

Randomized controlled trials have shown a 15-30% reduction in breast cancer-specific
mortality among women enrolled in mammographic screening. As a screening tool …

Methods This study was a secondary analysis of previously published data and did not
require REB approval. We did not undertake a repeat search, screen, or data extraction. We …