Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are unchanged . Streaky bibasilar opacities likely reflect atelectasis . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is seen . Moderate degenerative changes are noted within the imaged thoracic spine .
    OUTPUT:
    
Streaky bibasilar opacities , potentially reflective of atelectasis .