Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior exam there has been improvement in left lower lobe collapse with greater aeration . Additionally , there has been improvement in the left pleural effusion which remains moderate in size . There has also been marked improvement of the right pleural effusion which is now minimal . Fluid is seen tracking along the left major fissure on the lateral view . Bibasilar atelectasis is unchanged . Cardiomediastinal silhouette and hilar contours are stable . There is no pneumothorax . Increased AP chest wall diameter is consistent with given history of COPD .
    OUTPUT:
    
Interval improvement in bilateral pleural effusions and left lower lobe collapse .