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
The most common site of metastasis in neuroblastoma? 
Select and explain. 
A. Lung, B. Liver, C. Lymph nodes, D. Veebrae
C: Lymph nodes
Answer: C: Lymph nodes 
Explanation: Metastatic spread, which is more common in children older than 1 yr of age at diagnosis, occurs local invasion or distant hematogenous or lymphatic routes. The most common sites of metastasis are the regional or distant lymph nodes, long bones and skull, bone marrow, liver, and skin. Lung and brain metastases are rare, occurring in >3% of cases. Reference: Nelson; Neuroblastoma; Page no: 2461