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
A malignant tumor of childhood, that metastasizes to bones most often, is – 
Select and explain. 
A. Wilm's tumor, B. Neuroblastoma, C. Adrenal gland tumors, D. Granulosa cell tumor of ovary
B: Neuroblastoma
Answer: B: Neuroblastoma 
Explanation: Metastasis present in 60-70% of children at time of diagnosis are usually to the skeleton, characteristically to the facial bones and the skull and to the bone marrow and nodes'