ESTRO Multidisciplinary Management of Breast Cancer 2017

• Eligibility – Trials of radiotherapy (RT) versus same surgery but no RT – Began before 2000 – RT to conserved breast Trials of Radiotherapy after Breast Conserving Surgery (BCS ± RT ) EBCTCG, Lancet 2011; 378: 1707-60

• Included

– 10 801 women in 17 trials – Follow-up to 2006 (median 9.5 years per woman) – Hormonal therapy in both trials arms for 43% of women – RT to regional nodes in some trials

Lancet 2011