- Planned treatment, according to COG or POB protocols, that includes a cisplatin- and/or doxorubicin-containing regimen for sarcoma, neuroblastoma, nasopharyngeal carcinoma, germ cell tumor, or Hodgkin lymphoma OR either a cyclophosphamide/ifosfamide-doxorubicin-containing or cyclophosphamide/dactinomycin-containing regimen for rhabdomyosarcoma