Chest wall lesions -- Pleural and subpleural opacities -- Pleural effusion -- Pleural thickening and pleural calcification -- Elevated diaphragm -- Shift of the mediastinum -- Widening of the mediastinum -- Anterior mediastinal mass -- Middle mediastinal mass -- Hilar enlargement -- Posterior mediastinal mass -- Atelectasis -- Segmental and lobar consolidations -- Diffuse air-space opacities -- Multifocal ill-defined opacities -- Diffuse fine nodular opacities -- Fine reticular opacities -- Coarse reticular opacities (honeycomb lung) -- Solitary pulmonary nodule -- Multiple nodules and masses -- Hyperlucent thorax -- Solitary lucent defect -- Multiple lucent lesions.