Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previous median sternotomy and aortic valve replacements noted . A right internal jugular catheter terminates at the right atrium . This could be withdrawn 3 - 4 cm for better seating within the distal SVC . Compared to the prior study , there has been interval development of bilateral pleural effusions , larger on the right than the left . This is associated with a atelectasis and superimposed infection can not be excluded . No pneumothorax seen . The visualized bony structures demonstrate mild multilevel degenerative changes in the thoracic spine .
    OUTPUT:
    
Interval development of bilateral pleural effusions , right greater than the left . There is associated atelectasis , superimposed infection can not be excluded . A right internal jugular catheter terminates in the right atrium , this could be withdrawn 3 - 4 cm for better seating within the distal SVC