Hi I have already been exposed to unexceptional radiation from 3 years 3 head ct scans in a year unnecessarily 2 chest X-rays as routine health check up and one next ct or X-ray don't remember unnecessarily and one hrct chest unecesarily all were within short period of time but now I have been suffering from chest pain and almost all doctors are advising me to get chest X-ray but iam afraid of radia exposure if I will get cancer due to these many ct scans and X-rays.can I get chest X-ray done now again after that much exposure?I need to get another chest X-ray again after I move to another country should I make a risk or is there any other diagnosis type plz help