To investigate the impact on intravesical recurrence and prognosis according to the ureteral ligation timing during radical nephroureterectomy for upper urinary tract urothelial carcinoma.
We carried out a retrospective chart review of 664 patients with non-metastatic upper urinary tract urothelial carcinoma who underwent radical nephroureterectomy with ureteral ligation (supplementary analysis of JCOG1110A).