MP48-13 BLADDER RECURRENCE FOLLOWING DIAGNOSTIC URETEROSCOPY IN PATIENTS UNDERGOING NEPHROURETERECTOMY FOR UPPER TRACT UROTHELIAL CANCER: IS URETERAL ACCESS SHEATH PROTECTIVE?

INTRODUCTION AND OBJECTIVE:Radical nephroureterectomy (RNU) remains the gold standard for treatment of upper tract urothelial carcinoma (UTUC). Intravesical recurrence after RNU occurs relatively f...