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: Pathology
Retinoblsatoma is most similar to - 
Select and explain. 
A. Fibroma, B. Phaeochromocytoma, C. Neuroblastoma, D. Astrocytoma
C: Neuroblastoma
Answer: C: Neuroblastoma 
Explanation: Both retinoblastoma and neuroblastoma are small round cell tumors.