This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Childhood Tumors, Subject name: Pediatrics
Most common intra-abdominal solid tumor in children: 
Select and explain. 
A. Wilms' tumor(Nephroblastoma), B. Neuroblastoma, C. Rhabdomyosarcoma, D. Hodgkin lymphoma
B: Neuroblastoma
Answer: B: Neuroblastoma 
Explanation: b. Neuroblastoma(Ref: Nelson's 20/e p 2461-2466, Ghai 8/e 617-618)Most common intra-abdominal solid tumor in children is Neuroblastoma, followed by Wilms' tumor.