Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Similar small to moderate left pleural effusion with overlying atelectasis is seen . Left base opacity likely represents combination of pleural effusion and atelectasis , but underlying consolidation is not excluded in the appropriate clinical setting . No focal consolidation is seen on the right . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Grossly stable small to moderate left pleural effusion with overlying atelectasis , underlying consolidation is not excluded in the appropriate clinical setting .