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': 'All are seen in congestive cardiac failure except – \nSelect and explain. \nA. Kerley B lines, B. Prominent lower lobe vessel, C. Pleural effusions, D. Cardiomegaly', 'role': 'user'}, {'content': 'Answer: B \nExplanation: There are prominent upper lobe vessels (not lower lobe) due to PVH.\nCHF (LVF) presents radiologically with cardiomegaly and signs of pulmonary venous hypertension (see above explanation for signs of PVH).', 'role': 'assistant'}]