Participants in this study are newly diagnosed with neuroblastoma, ganglioneuroblastoma, or ganglioneuroma. The purpose of this research study is: 1) to analyze the biologic markers needed to choose therapy for participants' diseases. These include Shimada classification, and MYCN testing. 2) to study other tumor genetics and save slides for future research studies. This may lead to better understanding of the disease. 3) to collect and store tissues samples in a national neuroblastoma tissue bank for future studies.