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BY: Paula B. Gordon, OBC, MD, FRCPC, FSBI
May 2023
... meta-analysis shows mortality reduction of only 15% to 20%. Although the studies have now been discredited, CNBSS-1 ... And most of those cancers are small, invasive, and node negative. In addition to the risk of masking cancer, ... Vancouver study, the average tumor size was 9 mm, all were node negative, the biopsy rate was 1.3%, and the positive ...