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': 'Intraocular calcification in eye in child ? \nSelect and explain. \nA. Toxocara, B. Retinoblastoma, C. Angiomatosis retinae, D. Malignant melanoma of choroid', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Retinoblastoma In retinoblastoma, there are areas of necrosis and calcification. In the presence of calcification, endophytic retinoblastoma gives the typical 'cottage cheese' appearance.", 'role': 'assistant'}]