ESTRO Multidisciplinary Management of Breast Cancer 2017

EBCTCG and SEER Radiotherapy versus not

EBCTCG: ~3000 women, N+ disease in 14 trials of radiotherapy after mastectomy SEER: ~33,000 women with radiotherapy after mastectomy ~56,000 pN+ women with mastectomy but no radiotherapy McGale et al, JCO 2016; 34:3356

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