Leukemia -- Lymphoma -- Solid tumor -- Central nervous system tumors -- Anemias -- Neutropenia -- Thrombocytopenia -- Bleeding disorders -- Chemotherapy -- Radiotherapy -- Hematopoietic stem cell transplantation -- Surgical approaches to childhood cancer -- Cell and gene therapy -- Biological and targeted therapies -- Complementary and alternative medicine -- Clinical trials -- Metabolic system -- Gastrointestinal tract -- Bone marrow function -- Respiratory system -- Renal system -- Cardiovascular system -- Central nervous system -- Musculoskeletal system -- Skin: cutaneous toxicities -- Endocrine system -- Ototoxicity -- Ocular complications -- Nutrition and hydration in children with cancer -- Pain in children with cancer -- Blood transfusion therapy -- Cytokines -- Care of the dying child and the family.