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New classification of idiopathic interstitial pneumonias (ATS/ERS)*
| Acute interstitial pneumonia (AIP) |
| Cryptogenic organizing pneumonia (COP) |
| Desquamative interstitial pneumonia (DIP) |
| Respiratory bronchiolitis–interstitial lung disease (RB-ILD) |
| Lymphoid interstitial pneumonia (LIP) |
| Non-specific interstitial pneumonia (NSIP) |
| Usual interstitial pneumonia (UIP) |
Adapted from ref 6.
