Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a moderate right pleural effusion with overlying atelectasis . Trace left pleural effusion may also be present . No pneumothorax is seen . Cardiac silhouette is top - normal . Mediastinal contours are unremarkable . No pulmonary edema is seen .
    OUTPUT:
    
Moderate right pleural effusion with overlying atelectasis . Possible trace left pleural effusion .