This retrospective chart review study will analyze the demographics, medical history, clinical features, and pathological data of patients with Eosinophilic Gastrointestinal Disorders (EGIDs) other than Eosinophilic Esophagitis (EoE) alone, including Eosinophilic Gastritis (EG), Eosinophilic Gastroenteritis (EGE), and Eosinophilic Colitis (EC).