MP40-06 ROLE OF NEOADJUVANT CHEMOTHERAPY IN PATHOLOGICAL DOWNSTAGING DURING RADICAL NEPHROURETERECTOMY FOR UPPER TRACT UROTHELIAL CARCINOMA (ROBUUST COLLABORATIVE GROUP). (May 2022) - Corsi, Nicholas; Jamil, Marcus; Arora, Sohrab; Dalela, Deepansh; Auturino, Riccardo; Sundaram, Chandru; Uzzo, Robert; Mottrie, Alex; Porter, James; Eun, Daniel; Rha, Koon; Bhattu, Amit Satish; et al.