Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right central venous catheter is in unchanged position from prior exam . There has been interval removal of the tracheostomy tube . There are low lung volumes . Basilar opacities , right greater than left , may represent atelectasis but can not exclude pneumonia or aspiration in the right clinical setting . There is a right pleural effusion and probable trace left pleural effusion . No pneumothorax is seen . The cardiomediastinal silhouette is unremarkable .
    OUTPUT:
    
Bibasilar opacities , right greater the left , possibly representing atelectasis but can not exclude pneumonia or aspiration in the right clinical setting . Bilateral pleural effusions , right greater than left , are also seen .