Development and validation of a prognostic nomogram for patients with intravesical recurrence after radical nephroureterectomy for non-metastatic upper tract urothelial carcinoma

Purpose To develop and validate a prognostic nomogram for patients with intravesical recurrence (IVR) after radical nephroureterectomy (RNU) for non-metastatic upper tract urothelial carcinoma (UTUC).