Figure legends
FIGURE 1 Computed tomography scan revealed a recurrent tumor on right neck.
FIGURE 2 Timeline of clinical course, treatment, and outcome. Abbreviations:
CDV (cyclophosphamide, dactinomycin, vincristine), CiE (cisplatin and etoposide), CEM (carboplatin, etoposide, and melphalan), PBSCT (peripheral blood stem transplantation), TOTEM (topotecan and temozolomide), ICE (ifosfamide, carboplatin, and etoposide), PTCy (post-transplant cyclophosphamide), TBI (total body irradiation), PET-CT (positron emission tomography-computed tomography)