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Prophylactic mastectomy of contralateral breast only marginally improves survival, study shows

BMJ 2014; 349 doi: (Published 17 July 2014) Cite this as: BMJ 2014;349:g4634
  1. Susan Mayor
  1. 1London

Contralateral prophylactic mastectomy improves life expectancy only marginally in women with breast cancer that is diagnosed in one breast, shows a new large modelling study based on US registry data and meta-analyses.1

This type of surgery has increased rapidly in the United States and Europe over the past decade. “But this may reflect an exaggerated perceived benefit from the procedure,” say the study’s authors, led by Pamela Portschy, general surgery resident …

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