Inclusion Criteria:  Male sex Age ≥40 years or ≤80 years Scheduled for radical prostatectomy for clinically localized prostate cancer Able to read and speak English or Spanish Willingness to sign informed consent and adhere to the study protocol  Exclusion Criteria:  Prior major pelvic surgery or radiotherapy Suspicion of N1 disease (i.e., any lymph node greater than 1cm in maximal diameter)