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
Which of the following is the most common solid tumor in a child? 
Select and explain. 
A. Neuroblastoma, B. Nephroblastoma, C. Mesoblastic nephroma, D. Rhabdomyosarcoma
A: Neuroblastoma
Answer: A: Neuroblastoma 
Explanation: Ans. is 'a' Neuroblastoma 'Neuroblastoma is the most frequently diagnosed neoplam in infants accounting for 28-39% of neonatal malignancies'It has following pecularities :* Most common abdominal cancer of childhood.* Most common cancer of infancy.* Most common extracranial solid tumor of childhood (most common solid tumor of childhood is brain tumor).