Good question. The proof is in the pudding. Run a well powered RCT and if the intervention helps patients live longer and/or better, then we should consider usi

Good question. The proof is in the pudding. Run a well powered RCT and if the intervention helps patients live longer and/or better, then we should consider using it! It will be hard to design a study that includes all possible detected cancers, but there are ways around this - perhaps we begin by studying those cancers that are most common and lethal, and go from there.