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': 'Cause of asymmetrical enlargement of orbit \nSelect and explain. \nA. Optic nerve glioma, B. Retinoblastoma, C. Neurofibroma, D. Lacrimal gland tumour', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Asymmetrical enlargement of orbit\xa0\n\nRhabdomyosarcoma\nDermoidcyst\nLacrimal gland tumour.', 'role': 'assistant'}]