Clinical Characteristics and Outcomes of Infants Compared with Children Diagnosed with Rhabdomyosarcoma: Analysis of Surveillance, Epidemiology, and End Results Data from 2000 to 2016

Age of <1 year was an independent risk factor for increased mortality from RMS compared to ages 1-9 years. Fewer infants were treated with chemotherapy combined with local control, the therapy associated with best survival in all age groups. Other factors contributing to differences in survival should be further explored.