Cytokine Profile of Allergic Bronchopulmonary Aspergillosis

For ABPA patients Inclusion Criteria: * Patients diagnosed as allergic bronchopulmonary aspergillosis (ABPA). The diagnosis criteria of ABPA is as following: clinical diagnosis of asthma, elevated total IgE levels (\> 1,000 IU/mL), presence of specific IgE against A fumigatus detected (\> 0.35 kUA/L) or type 1 skin reaction to Aspergillus antigen. Other criteria(at least two of three): Presence of serum IgG antibodies (precipitins) against A. fumigatus; Radiographic pulmonary opacities consistent with ABPA(It might be transient consolidation, nodules, finger-in-glove opacities. Or it could be permanent bronchiectasis and pleuropulmonary fibrosis) Patients who sighed consent forms. For asthma patients: Diagnosis according to GINA. For healthy control: People with ongoing chronic allergic disease such as allergic rhinitis, asthma and allergic dermatitis are excluded. Exclusion Criteria: * Patients who are unwilling to sign the consent form.