I was diagnosed with prostate cancer in 2009 and had a radical prostectomy completed, PSA dropped until 2014. after the increase I had hormone therapy (lupron) and radiation therapy. in late 2016 my PSA went up again, I had a bone scan which showed spread to the bones, lupron was started immediately, the PSA has gone from the high of 21 back to 6 in about 6 weeks. I am considering an Orchiectomy to eliminate the testosterone, and hope to prolong my life. I am 76, have had lung cancer surgically removed in 2008, no reoccurance, COPD and Emphesema. I am active, have a good quality of life and I am pain free. Recommendations?