This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'A 23 year old child presented with leucocorea in the right time since 2 months. on examination, a total retinal detachment was present in the same eye. Ultrasound b-scan revealed a heterogeneous subretinal mass with calcification associated with retinal detachment the most likely clinical diagnosis \nSelect and explain. \nA. Coats disease, B. Retinoblastoma, C. Toxacariasis, D. Retinal tuberculoma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: It indicates an epileptic Retinoblastoma where there is exudative retinal detachment Refer khurana 6/e 303', 'role': 'assistant'}]