@tommyg
If it were me, I would get the Decipher test which uses your biopsy material to check on aggressiveness. I would get a telehealth second opinion from a center of excellence. I also might choose a Prostox test to see my sensitivity to radiation especially if I wanted to do 5 higher doses vs more lower doses. Again, for me, if I was 80, I would be discussing the race against the clock side effects with my doctor.