Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Unchanged moderate - sized left pleural effusion with underlying atelectasis versus consolidation . No right pleural effusion . No cardiomegaly or shift of mediastinum . Visualized bones are unremarkable .
    OUTPUT:
    
1 . Unchanged moderate - sized left pleural effusion with underlying consolidation versus atelectasis . 2 . No new right pleural effusion .