Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular central venous catheter is in the upper SVC . Heart size and mediastinal contours are stable . Patient has emphysema . Bibasilar opacities are nonspecific and could be related to infection , aspiration , or atelectasis . These opacities are worse compared to the most recent examination of ___ , but similar to the prior examination of ___ . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Right IJ central venous catheter is in the upper SVC . 2 . Bibasilar airspace opacities may represent infection or aspiration in combination with atelectasis and should be clinically correlated . 3 . Emphysema