Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right internal jugular dual lumen central venous catheter tip terminates in the distal SVC , and appears slightly withdrawn since the prior study where the tip terminated in the right atrium . The cardiac , mediastinal and hilar contours are within normal limits . Dextroscoliosis of the thoracic spine is present . Lungs are clear . No pulmonary vascular congestion is present . There is no pleural effusion or pneumothorax . Remote right - sided rib deformities are visualized .
    OUTPUT:
    
Right internal jugular dual - lumen central venous catheter tip terminates in the lower SVC , and appear slightly withdrawn since the prior study with the tip terminating in the right atrium .