Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Descending aorta is slightly tortuous but overall mediastinal appearance is stable . Lungs are slightly hyperinflated . Left basal linear opacities and to a lesser extent right basal linear opacities appear to be stable as compared to ___ chest radiograph and ___ chest CT . This finding most likely represent bilateral pleural thickening . No evidence of pleural effusion is present . There is no pneumothorax .
    OUTPUT:
    
Chronic changes in lung bases with pleural thickening and areas of atelectasis but no evidence of new consolidations or pleural effusion . Slight hyperinflation . Stable appearance of the mediastinum and cardiac silhouette .