1549 / 1983
Trials of radiotherapy after mastectomy and axillary dissection
1133 pN1-3 women in trials with systemic therapy
Locoregional recurrence
first
Any first recurrence Breast cancer mortality
Years since randomisation Years since randomisation
Years since randomisation
7.9%
11.7%
RT: Significant benefit
EBCTCG, Lancet 2014