In 27 cases of robot-assisted radical nephrectomy: mean age: 55.5 (36 - 75), (range: 36 - 75), operating time: 174.5 minutes (range: 120 - 270), EBL: 713.6 mL (range: 150 - 2600), postop hospital stay: 6.6 days (range: 4 - 9); In 9 case of robot-assisted nephroureterectomy for upper tract TCC tumor: age: 54 (47 - 55), operating time: 240 minutes (210 - 270), EBL: 800 mL (400 - 900), postop hospital stay: 6 days (range: 5-7).