Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . Streaky bibasilar airspace opacities likely reflect atelectasis . No focal consolidation , pleural effusion or pneumothorax is seen . Biapical pleural thickening and scarring are re - demonstrated . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .