Fig. 1.

Glove port and external view of instruments of the case 1. (A) The Glove port is composed of two rings and four trocar channels with gas insufflation and exsufflation lines. (B) The laparoscope camera is inserted through the blue trocar channel (thin arrow), which should be placed in the 6-o'clock position. The articulating hook coagulator and long shaft grasper (arrow head) are working instruments and the snake retractor (thick arrow) is applied for liver retraction.