Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post CABG , and median sternotomy wires are again seen . The cardiomediastinal silhouette is unchanged . The lungs demonstrate no evidence of focal pneumonia , pneumothorax , pleural effusion or overt pulmonary edema . Bibasilar atelectasis is present .
    OUTPUT:
    
Bibasilar atelectasis with no evidence of pneumonia .