Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The cardiac silhouette is likely mildly enlarged . No definite consolidation is seen . There is no definite pleural effusion or pneumothorax . A right - sided internal jugular venous catheter terminates just below the cavoatrial junction , in the upper right atrium .
    OUTPUT:
    
Right internal jugular catheter tip terminates in the right atrium .