Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . There is some improvement in the left lower lobe atelectasis with one area of linear atelectasis remaining . The cardiomediastinal silhouette is unchanged since prior study and right internal jugular line remains unchanged in position . A right pleural effusion is again seen .
    OUTPUT:
    
Improved left lower lobe opacification with some remaining linear atelectasis . Right pleural effusion is again seen . Otherwise , unchanged since the prior study .