Idiopathic pulmonary fibrosis

DDx

Bronchiolitis obliterans with organizing pneumonia (BOOP)
Interstitial lung disease due to infection (eg, fungal, tuberculosis, Pneumocystis carinii pneumonia, viral)
Drug-induced fibrosis, eg, amiodarone, bleomycin
Sarcoidosis
Pneumoconiosis
Hypersensitivity pneumonitis
Asbestosis

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