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Oncology Clinical Trial: Collecting and Storing Samples of Bone Marrow and Blood From Patients With Relapsed Acute Lymphoblastic Leukemia or Non-Hodgkin Lymphoma

Oncology Clinical Trial: Combination Chemotherapy in Treating Young Patients With Newly Diagnosed High-Risk B Acute Lymphoblastic Leukemia and Ph-Like TKI Sensitive Mutations

Oncology Clinical Trial: Bortezomib and Sorafenib Tosylate in Treating Patients With Newly Diagnosed Acute Myeloid Leukemia

Oncology Clinical Trial: Risk-Adapted Chemotherapy in Treating Younger Patients With Newly Diagnosed Standard-Risk Acute Lymphoblastic Leukemia or Localized B-Lineage Lymphoblastic Lymphoma

Oncology Clinical Trial: Risk-Based Classification System of Patients With Newly Diagnosed Acute Lymphoblastic Leukemia

Oncology Clinical Trial: Study of Blood Samples From Newborns With Down Syndrome

Oncology Clinical Trial: Collecting and Storing Biological Samples From Patients With Ewing Sarcoma

Oncology Clinical Trial: Collecting and Storing Samples of Blood and Tumor Tissue From Patients With Osteosarcoma

Oncology Clinical Trial: Chemotherapy and Radiation Therapy in Treating Young Patients With Newly Diagnosed, Previously Untreated, High-Risk Medulloblastoma

Oncology Clinical Trial: Collecting and Storing Blood and Brain Tumor Tissue Samples From Children With Brain Tumors

Oncology Clinical Trial: Caspofungin Acetate or Fluconazole in Preventing Invasive Fungal Infections in Patients With Acute Myeloid Leukemia Who Are Undergoing Chemotherapy

Oncology Clinical Trial: Comparison of Radiation Therapy Regimens in Combination With Chemotherapy in Treating Young Patients With Newly Diagnosed Standard-Risk Medulloblastoma

Oncology Clinical Trial: Long-Term Follow-Up of Patients Who Have Participated in Children’s Oncology Group Studies

Oncology Clinical Trial: Chemotherapy Followed by Radiation Therapy in Treating Younger Patients With Newly Diagnosed Localized Central Nervous System Germ Cell Tumors

Oncology Clinical Trial: Caspofungin Acetate, Fluconazole, or Voriconazole in Preventing Fungal Infections in Patients Following Donor Stem Cell Transplant

Oncology Clinical Trial: Radiation Therapy With or Without Combination Chemotherapy or Pazopanib Hydrochloride Before Surgery in Treating Patients With Newly Diagnosed Non-Rhabdomyosarcoma Soft Tissue Sarcomas That Can Be Removed by Surgery

Oncology Clinical Trial: Blood Sample Markers of Reproductive Hormones in Assessing Ovarian Reserve in Younger Patients With Newly Diagnosed Lymphomas

Oncology Clinical Trial: Combination Chemotherapy With or Without Bortezomib in Treating Younger Patients With Newly Diagnosed T-Cell Acute Lymphoblastic Leukemia or Stage II-IV T-Cell Lymphoblastic Lymphoma

Oncology Clinical Trial: Glembatumumab Vedotin in Treating Patients With Recurrent or Refractory Osteosarcoma

Oncology Clinical Trial: Dinutuximab in Combination With Sargramostim in Treating Patients With Recurrent Osteosarcoma