Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy , CABG , and left - sided pacer placement with leads terminating in the right atrium and right ventricle . Moderate cardiomegaly is re - demonstrated . Atherosclerotic calcifications are noted at the aortic arch . Mild pulmonary edema is slightly worse in the interval as are small bilateral pleural effusions . Bibasilar opacities likely reflect areas of atelectasis . No pneumothorax is detected . There are no acute osseous abnormalities .
    OUTPUT:
    
Mild pulmonary edema with small bilateral pleural effusions and bibasilar atelectasis .