Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP upright portable view of the chest was obtained . There has been interval placement of a left subclavian central venous catheter , terminating in the mid-to - distal SVC , without evidence of pneumothorax . Lungs are clear . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Interval placement of left subclavian central venous catheter , terminating in the mid-to - distal SVC , without evidence of pneumothorax .