Childhood cancer survival rates have increased dramatically over the past 40 years.Despite the survival rate increase, cancer continues to be the No. 1 disease killer and second-leading cause of death in children.Every day, City of Hope’s team of physicians and researchers aggressively study the science behind childhood cancers and provide comprehensive, family-centered care for children with cancer and blood disorders.Clarke Anderson, MD is here to discuss childhood cancer, some of the possible causes and what parents with children who have cancer need to know.