It's really only neutrons that can transmute other elements into radioactive ones. Charged particle or EM radiation might damage your body's chemicals but they

It's really only neutrons that can transmute other elements into radioactive ones. Charged particle or EM radiation might damage your body's chemicals but they won't harm your atoms. Generally a whole body dose of 1 sievert will increase your odds of getting cancer by 10% over your life. I don't know how much she's been exposed to but while my guess is that while future cancer is a concern it really isn't a sure thing.