Billy, et. al.:
Exactly right. There has been nothing uncivil nor venemous here. Surely we can question statements here without walking on eggs!!??
With PC, we should be very careful about making any absolute pronouncements.
In fact, I was trying to think of things we definitely KNOW about PC, unequivocally. I was going to say that we definitely know that PSA is a superb indication of PC activity/growth after treatment. But, you know, that isn't even true as there are some aggressive PCs that do not produce much PSA.
OK, we definitely know that when a biopsy shows PC, then you have PC. Wait, there have been a few weird exceptions, but that might be as close to an absolute that I can think of.
Oh, wait: here's an absolute: PC Sucks!
Mel