It definitely sounds like you have a case of prostate cancer that needs to be treated further. The results of the PSMA PET scan are critical. If they find a lot of metastasis, then Chemo or Pluvicto Are usually what is needed.

Has he been put on ADT? He should also be on an ARSI with all of these problems. Those two drugs should stop the cancer from growing and keep it under control. You do seem to be in a good cancer care location. They could be waiting for the PSA results, But the standard of care is to get you on those drugs soon.

Where you are located UCLA could give you a good second opinion on treatment. They could make a lot of sense to go there and find out what they think should be done. The PSMA PET scan results would help to have before going for a second opinion. You should have them in a short time, and can then get a second opinion.

What you describe are multiple aggressive prostate cancer issues, Very few people have so many all at once. Yes, getting a PSA test six weeks after surgery is appropriate. For most people after surgery, the PSA drops to undetectable, I suspect It may not do this in this case, because of the aggressive nature of this prostate cancer. They may be waiting to start the drugs after the PSA test, Since the drugs would definitely bring the PSA down.

Prostate cancer normally grows very slowly so you definitely have time to get this treated.