Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and coronary artery bypass graft surgery . The cardiac silhouette is mildly enlarged but stable . The mediastinal and hilar contours are within normal limits and unchanged . At the left lung base , there is streaky opacification most compatible with atelectasis . No focal consolidation concerning for pneumonia is detected . No significant pleural effusion or pneumothorax is identified . The pulmonary vasculature is not engorged and there is no evidence of overt pulmonary edema . There is blunting of the right costophrenic angle suggesting atelectasis or scarring . There is bilateral rotator cuff disease .
    OUTPUT:
    
Stable appearance of the chest without evidence of overt heart failure .