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
An ultrasound examination shows dilated intrahepatic biliary channels with a small gall bladder. The most likely possibility is -
assistant
The correct answer is  Ans. is 'c' i.e. Common bile duct stone * In Ca Head of Pancreas, GB will also be distended.