Efficacy of early ureteral ligation on prevention of intravesical recurrence after radical nephroureterectomy for upper urinary tract urothelial carcinoma: a prospective single-arm multicenter clinical trial

Early ureteral ligation decreases the rate of intravesical recurrence after radical nephroureterectomy in patients with renal pelvic cancer. Thus, early ureteral ligation might help in prevention of intravesical recurrence for renal pelvic cancer.