Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compare to ___ , the lung volumes have increased . There is residual moderate left pleural effusion with atelectasis , less compared to prior . Opacity in the left lower lobe is likely chronic . The cardiac and mediastinal silhouettes are unremarkable . Median sternotomy wires are intact and aligned .
    OUTPUT:
    
Interval improvement in left pleural effusion and lung volumes .