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
Management of retinoblastoma: 
Select and explain. 
A. Enucleation, B. Chemotherapy, C. Radiotherapy, D. All
D: All
Answer: D: All 
Explanation: A i.e. Enucleation; B i.e. Chemotherapy; C i.e. Radiotherapy