Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable view of the chest demonstrates a right IJ catheter ending at the cavoatrial junction . There is no pneumothorax . There is unchanged bibasilar atelectasis . Additionally , lucency over the right hemidiaphragm is compatible with free intraperitoneal air . The cardiomediastinal contours are unchanged .
    OUTPUT:
    
Right IJ catheter ends at the cavoatrial junction . No pneumothorax . Persistent free intraperitoneal air .