IL13 and eosinophilic esophagitis: The aim of the study was, therefore, to evaluate the use of serum biomarkers (IL-5, IL-13, eotaxin 3, MBP, and TGF-β1) in the diagnosis and monitoring of EoE by assessing their correlation with the occurrence, as well as endoscopic and histopathological advancement of EoE in patients diagnosed with dysphagia.