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: Pathology
[{'content': "Laminated concretions of calcium and proteins are? \nSelect and explain. \nA. Schaumann's bodies, B. Ferrugenious bodies, C. Asteroid bodies, D. Gamma Gandy bodies", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Schaumann's bodies", 'role': 'assistant'}]