This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': 'Neonate triangular cord sign on USG is seen in – \nSelect and explain. \nA. Galactosemia, B. Biliary atresia, C. Hepatitis, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Triangular cord sign is seen in biliary ateria due to fibrosis.', 'role': 'assistant'}]