Malignant solid tumors in children.
D002648:Child; D002675:Child, Preschool; D006801:Humans; D009369:Neoplasms / Q000175:diagnosis / Q000451:nursing* / Q000628:therapy; D009447:Neuroblastoma / Q000628:therapy; D012516:Osteosarcoma / Q000628:therapy; D012175:Retinoblastoma / Q000628:therapy; D012208:Rhabdomyosarcoma / Q000628:therapy; D012512:Sarcoma, Ewing / Q000628:therapy; D009396:Wilms Tumor / Q000628:therapy