Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrate slightly hyperexpanded lungs . Again seen is biapical pleural thickening / scarring , similar to previous examination . No additional focal opacity . No pleural effusion or pneumothorax . Heart size and mediastinal contour are otherwise stable . Limited assessment of the upper abdomen is unremarkable and visualized osseous structures are within normal limits .
    OUTPUT:
    
1 . Stable hyperexpanded lungs with biapical pleural thickening / scarring . 2 . No evidence of pneumonia .