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: Pediatrics
Not seen in the first decade - 
Select and explain. 
A. Retino blastoma, B. Rhabdomyosarcoma, C. Neuroblastoma, D. Ameloblastoma
D: Ameloblastoma
Answer: D: Ameloblastoma 
Explanation: Ameloblastoma is not a childhood tumor.
Other three are childhood malignancies.