Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient status post median sternotomy . There has been interval removal of the two drains . There is persisting right basilar atelectasis and well as increased atelectasis in the left mid and lower lung zones with associated volume loss . Trace bilateral pleural effusions . No pneumothorax identified . Minimal persisting pulmonary edema . The size of the cardiac silhouette is within normal limits .
    OUTPUT:
    
Interval removal of the two midline drains . Persisting right basilar atelectasis in addition to increasing atelectasis in the left mid and lower lung zones . No pneumothorax identified .