Sounds like you have made the right choices. When it comes to an oncologist, make sure they are a Genito Urinary Oncologist, They specialize in prostate cancer, unlike medical oncologist that work with all types of cancers. A GU Oncologist keeps up with everything going on With prostate cancer, Things change constantly.

You should try to get to a center of excellence so that multiple people will review what’s going on and can give you the best advice for what to do. A Gleason 8 is aggressive so look for educated/experienced advice.

If you pick radiation Try to get MRI guided radiation. The MERidian machine is what to look for because it has a more focused radiation that affects nearby tissue less