Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right - sided internal jugular venous catheter . The tip is slightly obscured by overlapping lead from pacemaker ; however , appears to terminate in the low SVC . A single - lead left - sided pacemaker is unchanged . Within the lungs , no focal opacity to suggest pneumonia is seen . No pleural effusion , pulmonary edema , or pneumothorax is present . There is mild vascular congestion . The heart size is top normal , unchanged . Chain suture is noted in the left hemithorax with volume loss suggestive of prior resection .
    OUTPUT:
    
Central catheter in standard position without pneumothorax .