Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is top normal . Mediastinal contours remain unchanged with mild tortuosity of the thoracic aorta again noted . The aorta is diffusely calcified . Hilar contours are normal . Pulmonary vasculature is not engorged . Subsegmental atelectasis versus scarring is again noted within the right middle lobe and lingula , unchanged . No focal consolidation , pleural effusion or pneumothorax is detected . Lungs are hyperinflated with attenuation of pulmonary vascular markings towards the apices compatible with underlying mild emphysema . Remote right - sided rib fractures are visualized . Compression deformity of a mid thoracic vertebral body is unchanged . Mild to moderate multilevel degenerative changes are again seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Subsegmental atelectasis versus scarring within the lingula and right middle lobe , unchanged . Mild emphysema .