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
Most common tumor in children is - 
Select and explain. 
A. Leukemia, B. Lymphoma, C. Wilm's tumor, D. Neuroblastoma
A: Leukemia
Answer: A: Leukemia 
Explanation: Ans. is `a' i.e., Leukemias o Most common childhood tumor --> Leumemia o Most common childhood leukemia --> ALL o Most common solid tumor of childhood --> Brain tumor o Most common tumor in infancy -----> Neuroblastoma o Most common abdominal tumor in child ----> Neuroblastoma