Question normal

Hello there,
First of all, I'd like to thank you for giving such these discussions which are very valuable & informative.

I read a lot about the radiation risk in IR, I know that the risk is small but exists esp for some types of cancer e.g. Left-sided brain tumor & leukemias.

I'm worried regarding this issue.
what do you think? Is it really we have to worry about?

Thanks a lot.