A SICK AIRWAY:
Airway lesion, chronic obstruction
Sequestration
Infection, inflamation
Cystic fibrosis
Kartagners syndrome
Allergic brochopulmonary aspergilliosis
Immunodeficiencies (hypogammaglobinaemia, myeloma, lymphoma)
Reflux, inhalation injury
William Campbell syndrome (and other congenitals)
Aspiration
Yellow nail syndrome/ Young syndrome
