Gastroenterology and Hepatologymiddle twist
A 45-year-old woman is admitted with epigastric pain radiating to the back and a serum lipase of 2400 U/L (<60). Ultrasound shows multiple small stones in the gallbladder with a common bile duct diameter of 4 mm. She has no organ dysfunction at any stage, and by day three her pain has resolved, she is tolerating a normal diet and her liver function tests have returned to normal. Which one of the following is the most appropriate next step in management?