Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Enlarged cardiomediastinal silhouette is grossly stable . There is bibasilar atelectasis without definite focal consolidation . No large pleural effusion . No evidence of pneumothorax . No overt pulmonary edema . No gross evidence of free air beneath the diaphragms .
    OUTPUT:
    
Persistent enlargement of the cardiomediastinal silhouette . Mild basilar atelectasis .