Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from earlier today , there has been interval placement of a right - sided IJ central venous catheter with its tip terminating in the distal SVC . There is no definite pneumothorax . Otherwise , pulmonary findings are essentially unchanged .
    OUTPUT:
    
Right - sided IJ central venous catheter terminates in the distal SVC . No definite pneumothorax .