<unk>  is a form of idiopathic interstitial pneumonia featuring elevated levels of macrophages.
Desquamative interstitial pneumonia
Lymphocytic interstitial pneumonia
Diffuse panbronchiolitis
Pulmonary interstitial emphysema
Pulmonary alveolar proteinosis
Respiratory bronchiolitis-interstitial lung disease
Hypersensitivity pneumonitis
Bronchocentric granulomatosis