This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular Radiology, Subject name: Radiology
[{'content': 'All are features of Kerley A lines except? \nSelect and explain. \nA. Prominent Interlobular Septa, B. Due to lymphatic engorgement and edema of septa, C. Located at Base of Lungs, D. Seen In CHF', 'role': 'user'}, {'content': 'Answer: C \nExplanation: *Kerley A lines are Perihilar Lines *Kerley B lines are thin horizontal parallel lines perpendicular to pleura at base of Lung. Kerley C lines are neither central nor peripheral. They are 2-3 cm long. They do not radiate away from the hila either.', 'role': 'assistant'}]