<unk>  <unk> , or noninfectious pneumonia are a class of diffuse lung diseases. These diseases typically affect the pulmonary interstitium, although some also have a component affecting the airways (for instance, cryptogenic organizing pneumonitis). There are seven recognized distinct subtypes of<unk> .
Idiopathic interstitial pneumonia
Acute eosinophilic pneumonia
Cryptogenic organizing pneumonia
Allergic bronchopulmonary aspergillosis
Tuberculosis
Chronic pulmonary aspergillosis
Eosinophilic pneumonia
Diffuse panbronchiolitis