system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are true about CBD stones except
assistant
The correct answer is  Choledocholithiasis CBD stones are classified by point of origin Found in 6-12% of patients with GB stones Retained stones discovered within 2 years of cholecystectomy Recurrent stones detected >2 years following cholecystectomy Ref : Sabiston 20th edition Pgno :1494