Most common extracranial solid tumor in children is: (A) Wilm's tumor, (B) Neuroblastoma, (C) Hydronephrosis, (D) Rhabdomyosarcoma
Answer is B. Neuroblastoma is the most common extracranial solid tumor in children and the most commonly diagnosed malignancy in infants. Reference: Nelson; Neuroblastoma; Page no: 2461