Autoinflammation, Immune Dysregulation, and Eosinophilia, also known as atopic dermatitis, enteritis, colitis, and eosinophilia, is related to leukemia, acute, x-linked and lymphoblastic leukemia, acute, with lymphomatous features. An important gene associated with Autoinflammation, Immune Dysregulation, and Eosinophilia is JAK1 (Janus Kinase 1). Affiliated tissues include colon and liver, and related phenotypes are failure to thrive and asthma