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
TRUE statement regarding childhood malignancy is – 
Select and explain. 
A. Wilm's tumour is the commonest, B. AML is the most common malignancy, C. Neuroblastoma arises in the first 4 years, D. None of the above
C: Neuroblastoma arises in the first 4 years
Answer: C: Neuroblastoma arises in the first 4 years 
Explanation: Childhood malignancies 
i) Most common tumor in childhood is leukaemias especially acute lymphoblastic leukaemia.
ii) Second most common tumor → Brain tumors
iii) Third most common tumor → Lymphomas
iv) Fourth most common tumor → Neuroblastoma  
v) Fifth most common tumors →Wilms tumor

Most of these tumors occur below the age of 5 years.