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': 'All are features of primary tuberculosis; except : \nSelect and explain. \nA. Pleural effusion, B. Consolidation, C. Pulmonary fibrosis, D. None', 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is D None (All may be seen ) All features mentioned may be seen in the normal course of a primary tuberculous infection. Pleural effusion may be seen in primary tuberculosis Pleural effusion is found in upto 2/3 of cases of primary tuberculosis and results from penetration of bacilli into the pleural space from an adjacent subpleural focus' - Harrison", 'role': 'assistant'}]