Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is enlarged , and there is moderate pulmonary edema . There is a left retrocardiac opacity with bilateral small pleural effusions . The patient is status post median sternotomy , and a left chest wall cardiac pacing device has its leads projecting over the right atrium and ventricle .
    OUTPUT:
    
1 . Cardiomegaly with moderate pulmonary edema and small bilateral pleural effusions . 2 . Left retrocardiac opacity is likely a combination of pleural fluid and adjacent atelectasis or consolidation .