| Analysis of predominant opacities |
| Shape |
| Profusion (number of opacities per unit area) |
| Zonal predilection |
| Analysis of lung volumes |
| Small |
| Normal |
| Large |
| Distribution of disease |
| Upper zone disease |
| Basal disease |
| Peripheral disease |
| Central disease |
| Associated findings |
| Pleura |
| Hilar regions |
| Mediastinum |
| Heart |
| Pulmonary vasculature |
