Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . The lungs are hyperinflated , suggesting chronic obstructive pulmonary disease . Linear left base opacity suggests atelectasis or scarring . There is no focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac silhouette is top normal to mildly enlarged . The aorta is calcified and tortuous .
    OUTPUT:
    
Hyperinflated lungs suggest chronic obstructive pulmonary disease . Left base linear atelectasis / scarring . Top normal to mildly enlarged cardiac silhouette .