ganglioneuroblastoma (MONDO_0005035) is a neuroblastic tumor characterized by the presence of neuroblastic cells, ganglion cells, and a stroma with Schwannian differentiation constituting more than fifty-percent of the tumor volume. There are two histologic subtypes identified: ganglioneuroblastoma, intermixed and ganglioneuroblastoma, nodular. Also known as: ganglioneuroblastoma (disease), ganglioneuroblastoma (morphologic abnormality), ganglioneuroblastoma, malignant.