High- Intensity Focused Ultrasound as a Salvage Therapy for Patients with Recurrent Prostate Cancer Men who have tried External Beam Radiation Therapy (EBRT) or Interstitial Brachytherapy for clinically localized prostate cancer possess a 20-30% greater probability of having prostate-specific antigen (PSA) failure. Salvage therapy is indicated when men are treated with radiotherapy, brachytherapy, or a […]