This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Raised LDH levels in aqueous is seen in \nSelect and explain. \nA. Galctosemia, B. Glaucoma, C. Hemangioblastoma, D. Retinoblastoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All the three enzymes: LDH(lactose dehydrogenase) NSE(neuron specific enolase) PGI(phosphoglucoisemerase) Are raised in patients of Retinoblastoma Refer khurana 6/e p 303', 'role': 'assistant'}]