Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , the right PleurX catheter is not visualized , and there is interval decrease in the right pleural effusion . Bilateral parenchymal opacities have improved and the lungs are better aerated , although still worse on the left compared to the right . The heart size is difficult to assess due to obscuration of the cardiac border .
    OUTPUT:
    
Interval decrease in the right pleural effusion with not visualized right pleural catheter .