| LIP | Lymphoid Interstitial Pneumonia |
|---|---|
| NIP | Non-specific Interstitial Pneumonitis |
| PIE | 1) Post-Infectious Encephalomyelitis 2) Pulmonary Interstitial Emphysema;... |
| UIP | Usual Interstitial Pneumonia |
| AILD | alveolar interstitial lung disease; angioimmunoblastic lymphadenopathy |