ATP 2016

Radiation-induced secondary cancer after breast radiotherapy • Most second cancers after radiotherapy are attributed to other factors, e.g. lifestyle and genetics Berrington de Gonzales Lancet Oncol 2011 • Contralateral breast cancer: In patients < 40 years: if mean dose > 1 Gy (dose-dependent) Stovall IJROBP 2008

• Induction of non-breast cancer, e.g. lung, esophagus Grantzau RO 2015