Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains moderately enlarged . Mediastinal contour is unremarkable . There is a persistent moderate left pleural effusion with associated left basilar opacity likely reflective of atelectasis . Increased patchy opacity within the right lung base is also likely reflective of atelectasis . No overt pulmonary edema is demonstrated . There is no pneumothorax .
    OUTPUT:
    
Persistent moderate left pleural effusion with left basilar opacity likely reflective of atelectasis . Increased atelectasis within the right lung base .