What are the options in regular (preventive maintenance ) cancer screening? Cancer is horrible and I feel like by the time we discover the cancer - when it pr

What are the options in regular (preventive maintenance ) cancer screening? Cancer is horrible and I feel like by the time we discover the cancer - when it presents itself as a symptom - it can be too late. I realize in general preventive medicine seems to be rarely practiced and medical costs are insane (especially in the US), but is it scientifically feasible to detect most cancers early if proper screening were done on a regular basis?