Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right - sided internal jugular central venous catheter , terminating at the cavoatrial junction , without evidence of pneumothorax . There are relatively low lung volumes with persistent mild elevation of the right hemidiaphragm . Prominence of the right hilum is stable . Bilateral perihilar prominence may be due to vascular engorgement . Right mid lung linear opacity may be due to atelectasis and small effusion . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Interval placement of right - sided central venous line terminating in the cavoatrial junction , without evidence of pneumothorax .