Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiographs show hyperinflated lungs . When compared to most recent radiograph dated ___ , there is minimal residual left lower lung linear opacity likely atelectasis or scarring . Redemonstration of left apical calcified granuloma , unchanged in appearance . No pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are unremarkable .
    OUTPUT:
    
Improved left lower lung linear opacity , likely atelectasis or residual scarring .