Fig. 2. Monitor view during cholecystectomy. Left grasper controlled by nondominant left hand. Dominant right hand controls the hook. Left hand can swap to control the 3rd arm grasper by stepping on the switch control pedal for retracting gallbladder toward upward and lateral direction (A). Cystic duct isolation (B) cystic duct clipping. Note the new graphic user interface in the lower middle part of the display (magnification showed) in the surgeon console which shows the real-time relationship of 4 instruments (C). Note the effective 3rd arm movement (white arrow, D).