Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes accentuate likely mildly enlarged cardiac silhouette . Retrocardiac opacity may reflect some combination of effusion , atelectasis , aspiration or infection . There is moderate pulmonary edema . Likely small right pleural effusion .
    OUTPUT:
    
1 . Likely congestive heart failure with cardiomegaly , effusions and moderate pulmonary edema . 2 . Retrocardiac opacity likely reflects atelectasis though aspiration or infection are possible .