Lydia and Lucy are joined by Professor Giles Toogood, Chief Investigator, Consultant Surgeon, Leeds Teaching Hospitals NHS Trust. Prof Toogood explains the goals and breadth of the Sunflower Study - a large RCT looking at the clinical and cost-effectiveness of expectant management versus preoperative imaging with magnetic resonance cholangiopancreatography in patients undergoing laparoscopic cholecystectomy at low or moderate risk of common bile duct stones. To get in touch with the show, ple...