Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded . Left lower lobe atelectasis and adjacent pleural effusion have decreased . Right pleural effusion has resolved . No pneumothorax . Bilateral upper lobe opacities are unchanged . Heart size is normal . Cardiomediastinal and hilar silhouettes are unremarkable . Dense aortic calcifications are noted .
    OUTPUT:
    
1 . Improved left lower lobe atelectasis , improved left pleural effusion , and resolved right pleural effusion . 2 . Unchanged bilateral upper lobe opacities .