Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable since the prior examination given differences in technique . Again noted is a large right - sided pleural effusion . There is been interval placement of a right sided chest tube . No definite pneumothorax is present . There is associated right basilar atelectasis . Consolidation is not entirely excluded .
    OUTPUT:
    
Persistent large right - sided pleural effusion status post chest tube placement . No pneumothorax .