ESTRO Multidisciplinary Management of Breast Cancer 2017

Effect of RT on 20 yr Breast Cancer Mortality

Significant risk factors: Age; Race; ER status; Grade; Size

The risk of dying of breast cancer increased after experience of an ipsilateral invasive breast cancer (HR, 18.1 [95%CI, 14.0-23.6]; p < .001), but RT does not improve BCSS

Narod et al, 2015