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: Medicine
[{'content': 'Pathognomonic of miliary TB \nSelect and explain. \nA. Snow storm appearance in CXR, B. Choroid tubercles on fundus examination, C. Pericardial TB, D. Peritoneal TB', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Choroid tubercles on fundus examination", 'role': 'assistant'}]