Any female patient, who is pregnant, suspected pregnant, or nursing.

Any patient with acute calculus or acalculous cholecystitis.

Any patient who has had an upper midline or right sub costal incision.

Any patient with pre-operative indication for a cholangiogram.

Any patient with ASA \> 3 with normal liver function.

Any patient who is undergoing Peritoneal Dialysis (PD).

Any patient who has an unrepaired umbilical hernia or has had prior umbilical hernia repair.

SILS™ Port Laparoscopic Cholecystectomy Post Market Study