10-Year Survival Outcomes following Radical Nephroureterectomy with a Risk Stratified approach using prior Diagnostic Ureteroscopy-A Single Institution Observational Retrospective Cohort Study.

Evaluate long-term oncologic outcomes of patients with upper tract urothelial carcinoma (UTUC) undergoing radical nephroureterectomy (RNU) and the impact of diagnostic ureteroscopy (URS) on survival outcomes.