Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: New right base pleural drain has been placed with interval decrease of right base pleural effusion , still moderate . There is a new left base opacification for atelectasis and increased pleural effusion , in the appropriate clinical setting , superimposed pneumonia should be considered . There is no pneumothorax . Cardiac silhouette is obscured by bilateral pleural effusions .
    OUTPUT:
    
New left base atelectasis and pleural effusion . If clinical correlated , pneumonia can be considered . New right base pleural drain has been placed with interval decrease of right pleural effusion , but still moderate . No pneumothorax .