Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Patient is status post median sternotomy and CABG . Superior most wire is again seen to be fractured , as well as the fifth uppermost wire is also fractured , as was also present on the prior study . Minimal bibasilar atelectasis is seen . No focal consolidation , pleural effusion , evidence of pneumothorax is seen . No overt pulmonary edema .
    OUTPUT:
    
Mild bibasilar atelectasis . Fractured sternal wires again seen .