A 69 year old male patient having coronary aery disease was found to have gall bladder stones while undergoing a routine ultrasound of the abdomen. There was no history of biliary colic or jaundice at any time. What is the best treatment advice for such a patient for his gallbladder stones:
Open cholecystectomy Laparoscopic cholecystectomy No surgery for gallbladder stones ERCP and removal of gallbladder stones