Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated . Mild bibasilar opacities likely reflect atelectasis . There is no pneumothorax or pleural effusion . Mildly enlarged cardiac silhouette is similar to prior CT from ___ . Multiple old healed fractures are identified in the left ribs .
    OUTPUT:
    
No radiographic evidence of pneumonia .