This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Retina, Subject name: Ophthalmology
[{'content': 'Treatment of retinoblastoma is by \nSelect and explain. \nA. 5FU + Cisplatin + Vinblastine, B. Carboplatin + Etoposide + Vincristine, C. Cyclophosphamide + Etoposide + Vincristine, D. Cyclophosphamide + Doxorubicin + Etoposide', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) Carboplatin + Etoposide + VincristineRef: Ryan's retina 6/e, p. 2392; Kanski 8/e, p. 502; Parson's 22/e, p. 381Chemotherapy agents commonly used for treatment of retinoblastoma are Age <= 36 monthsAge > 36 monthsVincristine0.05 mg/kg1.5 mg/m2Etoposide5 mg/kg150 mg/ m2Carboplatin18.6 mg/kg560 to 600 mg/m2", 'role': 'assistant'}]