Table 4.
Pattern of opacification (%) | Location (%) | Laterality (%) |
---|---|---|
Interstitial and airspace—39.8% (74) | Multifocal—53.2% (99) | Bilateral—88.7% (165) |
Interstitial—31.7% (59) | Basilar—40.3% (75) | Unilateral—11.3% (21) |
Airspace—28.4% (53) | Perihilar—6.5% (12) | |
Superior—1.1% |