Please don't take my word for it, take the word of a recognized global authority on cancer in children, the Cleveland Clinic.
my.clevelandclinic.org › 6226-rhabdomyosarcomaRhabdomyosarcoma: Causes, Symptoms, Treatment
"Rhabdomyosarcoma is rare. Only about 500 people are diagnosed each year in the United States. Most of them are children or adolescents. "
Happy education!