About 18% of childhood CNS tumors are medulloblastoma. The overall five-year survival rate (the percentage of people who survive at least five years after the cancer is detected, excluding those who die from other diseases) for children depends on several factors, including the risk level for this disease and age at the time of diagnosis. Overall, the five year survival rate for children with average-risk disease is 70% to 80%. For children with high risk disease, the rate is about 60% to 65%. If the child is an infant and the disease is localized, the survival rate is between 30% to 50%. 

Cancer survival statistics should be interpreted with caution. These estimates are based on data from thousands of children with this type of cancer, but the actual risk for a particular individual may differ. It is not possible to tell a person how long he or she will live with medulloblastoma. Because the survival statistics are measured in five-year intervals, they may not represent advances made in the treatment or diagnosis of this cancer. Learn more about understanding statistics [2].

Statistics adapted from the Central Brain Tumor Registry of the United States and the American Brain Tumor Association.