Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bibasilar opacities concerning for aspiration / infection . The cardiomediastinal silhouette and hilar contours are stable . There is no pleural effusion or pneumothorax . There is a healed right mid clavicular fracture .
    OUTPUT:
    
Bibasilar opacities concerning for aspiration pneumonitis versus atelectasis .