Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar atelectasis is noted . No lobar consolidation , pleural effusion , pneumothorax , or overt pulmonary edema is seen . Minimal biapical scarring is noted . The heart size is normal . Mediastinal contours are normal . Multiple , bilateral , chronic rib fractures are seen again .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .