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
Treatment of choice for Bilateral retinoblastoma 
Select and explain. 
A. Tumor destruction therapy, B. Cryotherapy, C. VEC regimen, D. Enucleation
C: VEC regimen
Answer: C: VEC regimen 
Explanation: None