Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Severe cardiomegaly is re - demonstrated with mild pulmonary edema , worse compared to the previous chest radiograph . Widening of the superior mediastinum is likely due to underlying central lymphadenopathy , better detected on recent CT . Small to moderate bilateral pleural effusions , larger on the right , are similar compared to the previous examinations . Patchy bibasilar airspace opacities likely reflect areas of atelectasis . Atherosclerotic calcifications of the aortic arch are noted . No new focal consolidation or pneumothorax is present .
    OUTPUT:
    
Mild pulmonary edema and small to moderate bilateral pleural effusions , larger on the right . Bibasilar atelectasis .