Angular Cheilitis, also known as cheilosis, is related to denture stomatitis and stomatitis. An important gene associated with Angular Cheilitis is CD4 (CD4 Molecule), and among its related pathways/superpathways are Immune response IL-23 signaling pathway and Hematopoietic Stem Cells and Lineage-specific Markers. Affiliated tissues include skin and lymph node, and related phenotypes are homeostasis/metabolism and liver/biliary system