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: Ophthalmology
[{'content': 'Storiform pattern of tumor cells in histopathology is seen in \nSelect and explain. \nA. Retinoblastoma, B. Rhabdomyosalcoma, C. Fibrous histiocytoma, D. Medulloepethelioma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Storiform or cart wheel pattern are characteristic of fibrous histiocytoma.', 'role': 'assistant'}]