I was diagnosed with prostate cancer in 2016, 4+3 gleason score. I had a radical prosectomy followed by salvage radiation when psa was at .08. I was put on testosterone replacement therapy about 20 years ago. After having undetectable psa for 2 years I went back on trt. After a few months my psa is back up to .06. I stopped the trt. I was wondering if anyone had any advice regarding trt use in a similar situation? I'm also curious if a PSMAT scan is too early at this point? Thank you very much!