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': 'Presence of cholesterol crystal in pleural effusion is a feature of : \nSelect and explain. \nA. Myxoedema, B. Hyperiglyceridemia, C. Hypehyroidism, D. Sarcoidosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Myxoedema): Pleural effusion with cholesterol crystals Hypothyroidism (myxoedema) T.B. Rheumatoid ahritis', 'role': 'assistant'}]