Thnks Jack, this is helpful, I've bookmarked it. It's last update was 2013, so I suspect it's not the final word.
So no wonder I didn't know the answer to my original question. Because nobody really knows. Not even the American Urological Association.
And Wilderness and IT's doctors don't even agree.
I guess the answer to when do you have BCR, is , for many of us" when Medicare (or your insurance company) says you do. :-(
Dx Age 64 Nov 2014, 4.3
BX 3 of 12 cores positive original pathologyG6, G6, G8 (3+5)
downgraded to 3+3=6 by Dr Epstein, JH
RALP with Dr Ash Tewari Jan 6, 2015
Post surgical pathology – G7 (3+4), ECE, Margivns, LN, SV all negative
PSA @ 6 weeks 2/15, .<02, remained <0.2 until January 2017, .02
My Story: tinyurl.com/oo9x4aq