This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Pathology
[{'content': 'Heart failure cells are seen in - \nSelect and explain. \nA. Kidney, B. Heart, C. Lungs, D. Brain', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Lungs o Heart failure cells are hemosiderin containing macrophages in alveoli that are seen in left ventricular failure and denotes previous episodes of pulmonary edema.", 'role': 'assistant'}]