Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal silhouette is normal . Linear bibasilar opacity is most consistent with atelectasis . Possible nondisplaced fracture of the anterolateral left sixth rib . No pneumothorax or pleural effusion .
    OUTPUT:
    
Possible nondisplaced fracture of the anterolateral sixth left rib , correlate for pain in this region . Dedicated rib series could be obtained . Bibasilar atelectasis .