Description:Content: Overview of childhood cancer : incidence, survival, and late effects -- Challenges of treating children with radiation therapy -- Leukemia -- Tumors of the central nervous system -- Hodgkin lymphoma -- Neuroblastoma -- Wilms' tumor -- Soft-tissue tumors : (rhabdomyosarcoma and other soft-tissue sarcomas) -- Bone sarcomas (osteosarcoma and Ewing's sarcoma) -- Retinoblastoma.