Female (142); Male (165)

0 to 4 years (138); 5 to 9 years (75); 10 to 14 years (62); 15 to 19 years (29); 20 to 24 years (4)

Asian (11); Black or African American (41); More Than One Race (19); Native Hawaiian or Other Pacific Islander (1); Other (1); White (234)

Hispanic or Latino (49); Not Hispanic or Latino (258)

Acute Leukemias of Ambiguous Lineage (4); Acute Leukemias of Ambiguous Lineage; T-cell Acute Lymphoblastic Leukemia, NOS (1); Acute Megakaryoblastic Leukemia (5); Acute Megakaryoblastic Leukemia, KMT2A rearrangement (2); Acute Myeloid Leukemia (7); Acute Myeloid Leukemia, Core Binding Factor (6); Acute Myeloid Leukemia, KMT2A rearrangement (6); Acute Myeloid Leukemia, NPM1 alteration (1); Acute Promyelocytic Leukemia, PML-RARA (2); Alveolar Rhabdomyosarcoma (1); Alveolar Rhabdomyosarcoma; Spindle Cell Rhabdomyosarcoma (1); Atypical Teratoid/Rhabdoid Tumor (2); B-cell Acute Lymphoblastic Leukemia, BCR-ABL1 (2); B-cell Acute Lymphoblastic Leukemia, BCR-ABL1 like (7); B-cell Acute Lymphoblastic Leukemia, DUX4-IGH (4); B-cell Acute Lymphoblastic Leukemia, ETV6-RUNX1 (19); B-cell Acute Lymphoblastic Leukemia, ETV6-RUNX1 like (2); B-cell Acute Lymphoblastic Leukemia, Hyperdiploidy (22); B-cell Acute Lymphoblastic Leukemia, iAMP21 (4); B-cell Acute Lymphoblastic Leukemia, IGH-CEBPD (1); B-cell Acute Lymphoblastic Leukemia, KMT2A rearrangement (6); B-cell Acute Lymphoblastic Leukemia, MEF2D rearrangement (1); B-cell Acute Lymphoblastic Leukemia, NOS (2); B-cell Acute Lymphoblastic Leukemia, PAX5 alteration (6); Botryoid Type Embryonal Rhabdomyosarcoma (1); Carcinoma, NOS (1); Chondroblastic Osteosarcoma; Osteosarcoma (1); Chordoma (1); Clear Cell Sarcoma; Clear Cell Sarcoma of Kidney (1); Craniopharyngioma, Adamantinomatous Type (27); Desmoid/Aggressive Fibromatosis (2); Desmoplastic Small Round Cell Tumor (1); Dysgerminoma, Ovarian (1); Dysgerminoma, Pelvis (1); Embryonal Rhabdomyosarcoma (2); Embryonal Tumor with Multilayered Rosettes, Brain (1); Embryonal Tumor, Brain (1); Ependymomal Tumor (1); Ependymomal Tumor, Posterior Fossa (1); Ependymomal Tumor, Spinal Tumor; Myxopapillary Ependymoma, Posterior Fossa (1); Ependymomal Tumor, Supratentorial (3); Ependymomal Tumor; Ependymomal Tumor, Posterior Fossa (2); Ewing Sarcoma (4); Ewing Sarcoma; Papillary Thyroid Cancer (1); Fibromyxoid Sarcoma (1); Ganglioglioma (1); Germ Cell Tumor, Brain (1); Glioma, NOS (3); Hepatoblastoma (3); High-Grade Glioma, NOS (21); High-Grade Neuroepithelial Tumor (1); Hodgkin Lymphoma (1); Langerhans Cell Histiocytosis (1); Low-Grade Glioma, NOS (9); Medulloblastoma (11); Medulloblastoma, Group 3; Medulloblastoma (1); Medulloblastoma, SHH subtype (4); Melanoma (2); Meningioma (1); Miscellaneous Brain Tumor (1); Mixed Germ Cell Tumor, Testis (1); Mixed Myxopapillary Anaplastic Ependymoma, Spinal Tumor (1); Myelodysplastic Syndromes (1); Myxopapillary Ependymoma, Posterior Fossa (1); Neuroblastoma (13); Osteosarcoma (4); Papillary Renal Cell Carcinoma (1); Papillary Thyroid Cancer (2); Pineoblastoma (1); Retinoblastoma (28); Spindle Cell Sarcoma, NOS (1); Squamous Cell Carcinoma, NOS (1); T-cell Acute Lymphoblastic Leukemia, KMT2A rearrangement (2); T-cell Acute Lymphoblastic Leukemia, LMO2 rearrangement (2); T-cell Acute Lymphoblastic Leukemia, NOS (5); T-cell Acute Lymphoblastic Leukemia, TAL1 rearrangement (1); T-cell Acute Lymphoblastic Leukemia, TLX3 rearrangement (3); T-cell Lymphoblastic Lymphoma, NKX2 rearrangement (1); T-cell Lymphoblastic Lymphoma, NOS (1); Wilms (5); Wilms, Bilateral (2)

Not Reported (307)

Multiple (524); RNA Sequencing (786); Whole Exome Sequencing (2,268); Whole Genome Sequencing (2,264)