Focuses on the immunologic aspects of lung diseases and cystic fibrosis. Immunologic lung disorders as usually accompanied by an array of laboratory abnormalities, some of which contribute to disease pathogenesis; Allergic bronchopulmonary aspergillosis; Forms of eosinophilic pneumonia; Hypersensitivity pneumonitis; Occupational and inorganic dust fibrotic lung diseases; Abestosis; Goodpasture syndrome; Sarcoidosis; Cystic fibrosis.