IGHE and eosinophilic esophagitis: Briefly, a comprehensive literature review was performed and expert meetings were conducted to develop a 15-item questionnaire to identify the eight most prevalent T2 diseases: asthma, CRSwNP, allergic rhinitis, allergic conjunctivitis, IgE-mediated food allergy, AD, eosinophilic esophagitis (EoE), and nonsteroidal anti-inflammatory drug-exacerbated respiratory disease (N-ERD).