Annual PSA testing is a reasonable and cost-effective approach to identify health trends.

“why wouldn't we do this every single year you I guess the argument against it is that um there can be natural variations in P again if you're a smart physician you're going to pick up that hey there's natural variations and if it goes up from 7 to 1.5 I'm going to recheck it and it's still in a safe range etc etc I think that but that's isn't that Al demore reason to do frequent testing if there's natural variation because it also means that if you're testing infrequently you're more likely in the presence of natural variation to miss what the actual trend is”