Why are you concerned about it? Doctors aren't going to recommend intervals shorter than 10 years for people with no risk factors and even with risk factors the cancer screenings are every 5 years. If someone is getting them more frequently than that, there are probably additional factors.
In the US, insurance isn't going to pay for it unless a doctor says it is medically necessary.
In the US, insurance isn't going to pay for it unless a doctor says it is medically necessary.