The gallbladder connects the liver to the small intestine and carries bile to the food coming from the stomach. Peritoneal cavity is to be accessed to remove the gall bladder either by open method or by laparoscopic cholecystectomy. Peritoneal cavity is the abdominal cavity in other word. The gallbladder connects the liver to the small intestine and carries bile to the food coming from the stomach. Peritoneal cavity is to be accessed to remove the gall bladder either by open method or by laparoscopic cholecystectomy.