Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest views were obtained with patient in upright position . Comparison is made with the next preceding portable chest examination of ___ . Status post sternotomy . Unchanged appearance of sternal wires as well as multiple surgical clips mostly in anterior mediastinal left - sided position as before . Significant cardiac enlargement persists . The pulmonary vasculature , however , is not significantly congested with the exception of a few minor peripheral plate atelectasis , no significant parenchymal abnormalities persist . The left - sided basal pleural density blunting the pleural sinus and obliterating the lateral portion of the diaphragm is still present . The lateral view demonstrates only a small amount of pleural effusion accumulating in the posterior pleural sinus . There is no evidence of pneumothorax in the apical area .
    OUTPUT:
    
Stable post-operative chest findings . Persistent left - sided pleural scar and marked cardiac enlargement . No evidence of significant pulmonary congestion presently , and no evidence of new acute pulmonary parenchymal infiltrates .