CCE

Variable Name	System Variable Name	Data type and valid values
Primary diagnosis group	dx_group	Categorical: Lymphoid leukemia Leukemia NOS Rhabdomyosarcoma Non-Hodgkin lymphoma Myeloid leukemia Non-Rhabdomyosarcoma soft tissue sarcoma Central nervous system tumor Hodgkin lymphoma Osteosarcoma Neuroblastoma Rare tumor Liver tumor Ewing sarcoma Germ cell tumor Renal tumor Other
Metastasis at primary diagnosis	metastasis_diagnosis	Categorical: Yes No Unknown
Age at primary diagnosis	age_diagnosis	Float