Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded without focal opacities . Bilateral apical nodular pleural and parenchymal scarring is unchanged from comparison radiograph . Tortuosity and calcification of the thoracic aorta is also unchanged . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . No pleural effusion or pneumothorax is present . Focal irregularity and sclerosis of the posterior seventh rib is suggestive of a healed rib fracture seen as early as ___ .
    OUTPUT:
    
Overall unchanged appearance of the chest without focal opacities .