Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is within normal limits . No focal consolidation , pleural effusion , or pneumothorax detected . There is mild bibasilar atelectasis , left greater than right .
    OUTPUT:
    
No focal consolidation , pleural effusion , or pneumothorax . Mild bibasilar atelectasis .