ESTRO Multidisciplinary Management of Breast Cancer 2017

Absolute 10-year risk (%) of recurrence after BCS in p N0 : dependence on factors suggested by modelling Black bars: BCS+RT, White bars: absolute gain from RT, Black+white bars: BCS only T1 (1-20 mm) T2 (21-50 mm)

Age: <40 40- 50- 60- 70+ <40- 40- 50- 60-70+ <40 40- 50- 60- 70+ Low grade Intermediate grade High grade

Age: <40 40- 50- 60- 70+ <40- 40- 50- 60-70+ <40 40- 50- 60- 70+ Low grade Intermediate grade High grade

20

Early Breast Cancer Trialists’ Collaborative Group (EBCTCG) Lancet 2011; 378: 1707-60