Surgery All are true bout CBD stones except: A Associated with GB stones in 10% cases B Primary stones are usually brown C Laboratory values may be normal in one third cases of choledocholithiasis D Retained stones are discovered after 2 years of cholecystectomy 💡 Explanation All are true bout CBD stones except: ✓ Correct Answer: D. Retained stones are discovered after 2 years of cholecystectomy