Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously seen right internal jugular line has been removed . Compared to the prior radiograph ___ ___ , a small to moderate left and trace right pleural effusions have decreased in size . The lungs expansion has improved and left lower lobe atelectasis has decreased . There is no pneumothorax or focal consolidation . Mediastinal clips and sternotomy wires are again noted . The cardiac and mediastinal contours are stable .
    OUTPUT:
    
Improved lung expansion and interval decrease in a small to moderate left and trace right pleural effusions since ___ .