A 65-year-old woman presented to the Emergency Department with symptoms of biliary colic. She also gave a 1-Week history of dark urine and pale stools and was clinically jaundiced. Abdominal Ultrasound showed a shrunken gallbladder containing multiple stones and a dilated common bile duct. If laparoscopic cholecystectomy is planned. What's the common additional procedure that's required in this case?