Ureteral catheters were inserted in 397 (44.5%) patients. Patients with ureteral catheter insertion had larger tumors (2.4聽vs. 2.6 cm;P= .031); however, the RENAL nephrometry scores were comparable (P= .131). Robotic PN was more common in patients with ureteral catheters (11.1 vs. 53.9...