diagnosed Sep 2017 at the age of 70, PSA 187, biopsy 12 cor all 4 + 4 = 8, stage 4 metastatic located in lungs, t1-4, L-4 and 5. started firmagon, casodex and then lupron for 14 months. PSA stayed at NADIR undetectable until Nov 14th when it changed to detectable at 0.7. ONG recommending new scans to determine course of next treatment.
What course of treatment should I consider?