Fungal infection, bronchial asthma and ABPA can present with right middle lobe atelectasis.[8] The patient also had allergic rhinitis, asthma, high levels of serum IgE, etc. These allergic reaction-related features supported change of the treatment plan and we planned to start oral/glucocorticoids, which was rejected by the patient for fear of adverse effects on immune and endocrine metabolism. Here, IGHE is linked to allergic disease.