ESTRO Multidisciplinary Management of Breast Cancer 2017

EBCTCG and SEER 1990-2008 Non-breast-cancer mortality RT vs no RT

SEER data stratified by: age, follow-up year, stage, year, ethnicity, tumour size, no of nodes, grade, ER status, quadrant, axillary surgery

McGale et al, JCO 2016; 34:3355