Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A double - lumen right IJ catheter in the right atrium , unchanged . Chronic changes are again seen including volume loss in the right upper lobe and heterogeneous opacification of the right and left mid lung zone , dating back to ___ . Calcified hilar lymph nodes are also unchanged . Cardiomediastinal silhouette is stable .
    OUTPUT:
    
No substantial change from prior .