Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dialysis catheter terminates in the right atrium . There is a new left internal jugular central venous catheter terminating in the mid superior vena cava . There is no evidence for pneumothorax . Findings suggesting mild vascular congestion persist . There is no pleural effusion . The cardiac , mediastinal , and hilar contours appear unchanged including mild cardiac enlargement .
    OUTPUT:
    
Status post placement of new central venous catheter without evidence for pneumothorax .