Fig. 1From: Risk factor analysis of intravesical recurrence after retroperitoneoscopic nephroureterectomy for upper tract urothelial carcinomaIVR-free survival and PFS in 73 patients. A Kaplan–Meier curves of IVR-free survival in 73 patients. B Kaplan–Meier curves of PFS in 73 patientsBack to article page