I have no experience or familiarity with what to do at those PSA levels.

However, there is a virtual prostate cancer support group meeting on Wednesday evenings at 8:00 (ET) at this Zoom link: https://us02web.zoom.us/j/82817487939

There are a couple of guys who regularly attend that virtual meeting who had PSAs higher than your father’s initial PSA.

That would be a great place to ask your question and get experienced responses from guys who have been there.