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': 'Hot spot in MI is seen in \nSelect and explain. \nA. Th-201, B. Gallium, C. Pyrophosphate Tc99, D. Albumin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Pyrophosphate Tc99', 'role': 'assistant'}]