Figure 1: Supine chest radiograph shows a unilateral increased opacity in the left hemithorax, particularly at the mid to lower zones. There is no mediastinal shift. The left hemidiaphragm is in a normal position.
- Lung: consolidation, mass, collapse
- Pleura: effusion (layering or loculated), mass (metastasis, mesothelioma)
- Chest wall: mass (breast, chest wall musculatures)
- Extrathoracic: external structures