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 is noted with leads terminating in unchanged positions , within the right atrium and right ventricle . Mild to moderate cardiomegaly is increased in size compared to the previous exam . The aorta remains tortuous . There is mild pulmonary edema , new compared to the previous exam . Small bilateral pleural effusions are also present . Bibasilar atelectasis is visualized . There is no pneumothorax . Mild degenerative changes are visualized within the thoracic spine .
    OUTPUT:
    
Mild congestive heart failure and small bilateral pleural effusions .