A Prospective Clinical Cohort Study on Stratified Treatment of Rhabdomyosarcoma Based on Risk Factors.

Inclusion Criteria: 1. 0 years \< age \< 18 years old, regardless of gender; 2. Tumor patients diagnosed by histopathology or bone marrow cytology; 3. Patients are treated for the first time; 4. ECoG score ≤ 2; 5. The expected survival time is more than 8 months; 6. Patient's parent or guardian signs informed consent. Exclusion Criteria: 1. Combined with immunodeficiency disease 2. Second tumor