| DIF | diffuse interstitial fibrosis; direct immunofluorescence; dose increase factor |
|---|---|
| DIFP | diffuse interstitial fibrosing pneumonitis; diisopropyl fluorophosphonate |
| dif-PIPE | diffuse persistent interstitial pulmonary emphysema |
| DILS | diffuse infiltrative lymphocytosis syndrome |
| DIPC | diffuse interstitial pulmonary calcification |