Urologic Lymphadenectomy in AMIGO

Inclusion Criteria: * Signed written informed consent before any trial-related procedure is undertaken that is not part of the standard patient management * Subjects aged ≥ 18 years. Selected patients must have a confirmed or suspected diagnosis of disease in urologic regions of interest, with scheduled confirmatory surgical biopsy. * Subjects must have had a CT, PET or MR examination of acceptable quality at Brigham and Women's Hospital within the prior month. * Subjects must also be scheduled to undergo lymphadenectomy for a urologic cancer within the following urologic regions of interest: Bladder, Prostate, Testicular, Kidney, Urethral, and Penile. * Subjects must also be scheduled to undergo a laparoscopic lymphadenectomy within the AMIGO OR Exclusion Criteria: * Severely impaired renal function with an EGFR < 30 mL/min/body surface areaRenal * Evidence of any significant, uncontrolled comorbid condition that could affect compliance with the protocol or interpretation of the results, which is to be judged at the discretion of the PI * History of hypersensitivity or other contraindication to contrast media * Contraindication to general anesthesia * PregnancyPregnancy