In 14 cases of robot-assisted radical nephrectomy (AML and RCC tumors): mean age: 55.5 (36 - 75), (range: 36 - 75), operative time: 174.5 minutes (range: 120 - 270), EBL: 713.6 mL (range: 150 - 2600), postop hospital stay: 6.6 days (range: 4-9);