HIFU for Focal Ablation of Prostate Tissue: An Observational Study

Inclusion Criteria: 1. Age 40 years to 85 years 2. Subject has elected or already undergone HIFU therapy as their standard of care treatment methodand declined alternative treatment (active surveillance, radical prostatectomy, radiation therapy, cryosurgery and hormone therapy) 3. PSA ≤ 20 4. Prostate volume of ≤ 70 cc 5. Ability to complete informed consent form Exclusion Criteria: 1. Prior treatment for prostate cancer (with the exception of androgen deprivation therapy) 2. Medical contraindication to follow-up mpMRI or prostate biopsy 3. Unable to tolerate general or regional anesthesia 4. Positive bone scan (only if bone scan has been done or clinically indicated. Bone scan does not need to be performed for study eligibility determination.)