Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right IJ central venous catheter , which terminates in the low SVC . No evidence of pneumothorax . Otherwise , the examination is essentially unchanged with bibasilar opacities , either reflecting atelectasis or underlying aspiration / pneumonia .
    OUTPUT:
    
1 . Interval placement of a right IJ central venous catheter terminating in the low SVC without evidence of pneumothorax . 2 . Stable bibasilar opacities , either atelectasis or underlying aspiration / pneumonia .