I'm not in the US, is medical tourism common amongst US citizens? For non-urgent cases, why not travel to a country that offers cheap, quality health care? Fina

I'm not in the US, is medical tourism common amongst US citizens? For non-urgent cases, why not travel to a country that offers cheap, quality health care? Financially seems justifiable, given that in the US, simple treatments and medical procedures can cost many 000s without any transparency ahead of time.