Collecting and Storing Tissue, Blood, and Bone Marrow Samples From Patients With Rhabdomyosarcoma or Other Soft Tissue Sarcoma

Pediatric Rhabdomyosarcoma

Radiotherapy Combined With Realgar-Indigo Naturalis Formula (RIF) in the Treatment of Rhabdomyosarcoma(RMS) in Children Doxorubicin Hydrochloride Liposome Combined With Irinotecan Versus VIT Regimen in the Treatment of Pediatric Rhabdomyosarcoma Imetelstat Sodium in Treating Younger Patients With Relapsed or Refractory Solid Tumors Tanespimycin in Treating Young Patients With Recurrent or Refractory Leukemia or Solid Tumors Vinorelbine Tartrate and Cyclophosphamide in Combination With Bevacizumab or Temsirolimus in Treating Patients With Recurrent or Refractory Rhabdomyosarcoma Combination Chemotherapy in Treating Patients With Previously Untreated Rhabdomyosarcoma Collecting and Storing Tissue, Blood, and Bone Marrow Samples From Patients With Rhabdomyosarcoma or Other Soft Tissue Sarcoma Biomarkers in Tumor Tissue Samples From Younger Patients With Rhabdomyosarcoma Vincristine, Dactinomycin, and Cyclophosphamide With or Without Radiation Therapy in Treating Patients With Newly Diagnosed Low-Risk Rhabdomyosarcoma Comparison of Chemotherapy Regimens in Treating Children With Relapsed or Progressive Rhabdomyosarcoma Studying Protein Expression in Tissue Samples From Younger Patients With Rhabdomyosarcoma Trabectedin in Treating Young Patients With Recurrent or Refractory Soft Tissue Sarcoma or Ewing’s Family of Tumors Proton RT for the Treatment of Pediatric Rhabdomyosarcoma Efficacy and Safety of Radiotherapy Combined With Apatinib Mesylate in the Treatment of Rhabdomyosarcoma in Children