Inclusion Criteria:  Men with age > 18 years Prostate cancer patients undergoing RARP with anterior approach at University of Southern California (USC) urology Ability to understand and the willingness to sign a written informed consent Clinical stage < 4 and (M0) prostate cancer Eastern Cooperative Oncology Group (ECOG) performance score 0-1 Pre-operative (op) urinary continence Negative history of pelvic radiation and/or previous local therapy for prostate cancer (i.e., radiation or focal therapy)  Exclusion Criteria:  Any history of psychiatric, neurologic or cognitive disease Any history of neuropathic bladder Any drug or alcohol addiction