Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal contours remain unchanged , secondary to known aortic dissection . A right - sided internal jugular venous approach central venous catheter terminates at the upper SVC . Mild atelectasis is again seen at the lung bases bilaterally . No new focal consolidation or pneumothorax identified .
    OUTPUT:
    
Right - sided internal jugular venous approach central venous catheter terminates at the upper SVC .