Neuroblastoma is the most common extracranial solid tumor in children, accounting for 7% to 8% of all childhood cancers. The prevalence is about 1 case per 7,000 live births. This incidence is fairly uniform throughout the world, at least for industrialized nations. Neuro‐ blastoma is slightly more common in boys than in girls, with a male-to-female sex ratio of 1.1 to 1 in most large studies [...