514 / 1816
Effect of RT on 20 yr Breast Cancer Mortality
Narod et al, 2015
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