Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of bilateral pleural pigtail catheters . Remaining support and monitoring devices are in unchanged positions including a right IJ which terminates at the distal SVC , ET tube at 4 .5 cm above the carina , and a partially visualized enteric tube . Median sternotomy and valve replacements are noted . There are persistent diffuse airspace opacities bilaterally , unchanged since prior study . Bilateral pleural effusions are also unchanged . The cardiomediastinal silhouette and hilar contours are stable . No pneumothorax is identified .
    OUTPUT:
    
Interval placement of bilateral pleural pigtail catheters . Otherwise no significant change . No pneumothorax .