Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP portable view of the chest was obtained . A left - sided subclavian central venous catheter is subtly seen , appears to terminate in the region of the mid to proximal left subclavian but not seen more proximal to this . There are relatively low lung volumes without focal consolidation . No evidence of pneumothorax is seen . The low lung volumes accentuate the cardiac and mediastinal silhouettes .
    OUTPUT:
    
Interval placement of a left subclavian central venous catheter seen to the level of the mid to proximal left subclavian without evidence of pneumothorax .