Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is a small to moderate right pleural effusion with overlying atelectasis . There may be a very trace left pleural effusion . The cardiac silhouette remains quite enlarged , similar to prior . The patient is status post median sternotomy and CABG . No overt pulmonary edema is seen . The mediastinal and hilar contours are stable .
    OUTPUT:
    
Relatively stable small to moderate right pleural effusion . Possible trace left pleural effusion . Persistent marked enlargement of the cardiac silhouette without overt pulmonary edema .