Surgery An ultrasound examination shows dilated intrahepatic biliary channels with a small gall bladder. The most likely possibility is – A Gall Bladder stone B Pancreatic calculus C Common bile duct stone D Carcinoma of the head of the pancreas 💡 Explanation An ultrasound examination shows dilated intrahepatic biliary channels with a small gall bladder. The most likely possibility is - ✓ Correct Answer: C. Common bile duct stone