Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are within normal limits and without change . Within the lungs , there are no new areas of consolidation to suggest the presence of pneumonia . Nonspecific biapical scarring is unchanged . Known emphysema is seen to better detail on prior chest CTA of ___ . There is no pleural effusion .
    OUTPUT:
    
No radiographic evidence of pneumonia .