Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is severely enlarged . There is moderate pulmonary edema . Obscuration of the left hemidiaphragm likely due to a combination of pleural effusion and atelectasis . There is no pneumothorax . Median sternotomy wires are noted with surgical clips projecting over the left hemithorax .
    OUTPUT:
    
1 . Moderate pulmonary edema . 2 . Severe cardiomegaly . Opacity at the left lung base may be due to a combination of atelectasis and pleural effusion , although a developing consolidation can not be excluded .