I had a hard time finding Meyers paper
But I’ll try again!
Here it is:https://askdrmyers.wordpress.com/2012/12/19/when-recurrent-pca-isnt-cancer/
Monitoring and trying to decide what to do next (or do nothing) is a topic with many opinions and not a lot of consensus. Depends on expected longevity, PSA trajectory and doubling time, pathology, and preferences of each guy and his docs. Good luck.