The grey area between ART and SRT relative to post-op time and PSA is subject to some debate but certainly a 2 month post-op PSA in the whole digits (1,2,3) is too high and the concept of "early" anything never presented itself. Hopefully, John's 3 month PSA looks better but I think getting a special PET scan scheduled between now and then would be recommended. As Logo noted, seeing a MO might be a good idea at this time also and the MO would probably concur with the scan before ADT or RT.
Yes, the "early" in this case would refer to the waiting time before having SRT. The degree of urinary and potency recovery would IMO need to be balanced with the number of extent of the adverse findings in the post-op path report, imaging results, and, perhaps, a genomics score.