Conflicts of Interest The authors declare no conflicts of interest. References 1, , , et al., “Rhabdomyosarcoma,” Nature Reviews Disease Primers 5, no. 1 (2019): 1, https://doi.org/10.1038/s41572-018-0051-2. 2, , , et al., “Metastatic Rhabdomyosarcoma: Results of the European Paediatric Soft Tissue Sarcoma Study Group MTS 2008 Study and Pooled Analysis With the Concurrent BERNIE Study,” Journal of Clinical Oncology 40, no. 32 (2022): 3730–3740, https://doi.org/10.1200/JCO.21.02981.