Men at High Genetic Risk for Prostate Cancer

* Inclusion Criteria: * Males between ages 30-75 years old. * Documented germline variant (i.e. pathogenic/likely pathogenic variant) in prostate cancer risk-related gene from a CLIA certified laboratory: BRCA1 and BRCA2, MMR genes (MLH1, MSH2, MSH6, PMS2, and EPCAM) associated with Lynch syndrome, as well as HOXB13, ATM, NBN, TP53, CHEK2, PALB2, RAD51C, RAD51D, BRIP1, or FANC (FANCA, FANCB, FANCC, FANCD2, FANCE, FANCF, FANCG, FANCI, FANCL, and FANCM). * Prognosis of \>5 years survival if affected by another cancer * Ability of subject to understand and the willingness to sign a written informed consent document Exclusion Criteria: * Prior diagnosis or treatment for prostate cancer * Known contraindication to MRI: * Participants unable to fit through MRI scanner (radiologist discretion) * Allergy to MR contrast agent * Participants with pacemakers, cerebral aneurysm clips, shrapnel injury, or implantable electronic device * Active concomitant medical or psychological illnesses that may increase the risk to the subject or inability to obtain informed consent, at the discretion of the principal investigator.