Fig. 1.

Single port device (OCTO™ Dalim, Seoul, Korea) was placed at the umbilicus of patient. Th ere were 4 ports. A black arrow head (▴) is 5~12 mm transformable port. A white arrow head (▵) is 5/10 mm port with dual sealing mechanism. Two arrows (↑) are ports for 5 mm devices. In our procedure, the 5~12 mm port was for 10 mm telescope, 5/10 mm port was for 10 mm endo-GIA.