NCT03111069 2018-07-20Study of Doxorubicin and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) and Intraoperative Brachytherapy for Unresectable or Refractory Pelvic and Abdominal Rhabdomyosarcoma and Undifferentiated Sarcomas in ChildrenM.D. Anderson Cancer CenterPhase 1 Withdrawn