Childhood Leukemia is related to neonatal leukemia and childhood acute lymphocytic leukemia, and has symptoms including angina pectoris, chest pain and edema. An important gene associated with Childhood Leukemia is TCF3 (Transcription Factor 3), and among its related pathways/superpathways are NF-kappaB Signaling and Hematopoietic stem cell gene regulation by GABP alpha/beta complex. The drugs Methotrexate and Promethazine have been mentioned in the context of this disorder. Affiliated tissues include bone marrow and bone, and related phenotypes are Decreased influenza A H1N1 (A/Hamburg/04/2009) virus numbers and growth/size/body region