Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of a left - sided internal jugular venous line , seen extending into a presumed persistent left IVC . Lung volumes are decreased . Redemonstrated are persistent , diffuse air space opacities , unchanged in appearance from the prior exam . There is no pneumothorax or significant pleural effusion . Stable , mild to moderate cardiomegaly is noted . The mediastinum is widened , although unchanged from prior .
    OUTPUT:
    
Left IJ line , seen terminating in a presumed persistent left SVC .