CRP and Familial prostate cancer: Using prospective institutional data, Steuber et al. compared 43 patients with oligometastatic prostate cancer treated with CRP and 40 patients that underwent optimal systemic therapy and found that at a median follow-up of 82.2 months, there were no significant differences in CSS (P = 0.92) or OS (P = 0.25) between these groups [47].