AF: Aspergillus fumigatus, Total IgE (Immunoglobulin E): 1 kU/L=2.4 ng/mL, 1 kU/L=1 IU/ml, *Transient (nodules, consolidation, tram‐track sign, fleeting opacities, finger in glove/toothpaste opacities) or fixed (ring shadows, bronchiectasis, or fibrosis); ABPA: allergic bronchopulmonary aspergillosis, CF: cystic fibrosis, CT: computerized tomography. Here, IGHE is linked to cystic fibrosis.