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': 'Cod fish vertebrae seen in \nSelect and explain. \nA. Osteomalacia, B. Osteoporosis, C. Hyperparathyroidism, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cod fish vertebrae\n\nOsteomalaria\nOsteoporosis\nHyperparathyroidism.', 'role': 'assistant'}]