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': 'Bilateral pleural thickening in lower and middle lung zone is radiological feature of \nSelect and explain. \nA. Silicosis, B. Stannosis, C. Asbestosis, D. Siderosis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Bilateral pleural thicking (Pleural plaques) in lower & middle lung is seen in Asbestosis.', 'role': 'assistant'}]