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