Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Left - sided pacemaker device with leads terminating in the right atrium and right ventricle is unchanged . The cardiac silhouette size is normal . The mediastinal and hilar contours are unchanged . There is no pulmonary edema . There is are likely small bilateral pleural effusions posteriorly . No focal consolidation or pneumothorax is present . The lungs are hyperinflated . There are no acute osseous abnormalities .
    OUTPUT:
    
Probable trace bilateral pleural effusions . No pulmonary edema .