Recent video by SBRT pioneer Dr Michael Steinberg UCLA suggests up to 12 metastatic lesions can now be zapped using SBRT. Check out Steinberg video lecture on this subject at Dr Mark Scholz PCRI website for details.

I know the former CEO of the company that introduced the first SBRT machine and he worked closely with Dr Steinberg to perfect it and get FDA approval to offer it publicly. I now Steinberg is a thought leader in the treatment of treatment of PC lesions that have escaped the prostate capsule