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': 'False about radiological features of pulmonary edema \nSelect and explain. \nA. Bat - wing appearance, B. Air bronchogram, C. Increased density in perihilar, D. Involvement of peripheral zones of lung fields', 'role': 'user'}, {'content': 'Answer: D \nExplanation: There is relative sparing of the more peripheral zones of lung fields.', 'role': 'assistant'}]