Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT , left subclavian line , and very dense foreign body which is presumed to with a filling have unchanged appearance . The NGtube is no longer seen . There is dense retrocardiac opacity consistent with volume loss / infiltrate / effusion . There is also volume loss in the right lower lobe . Compared to the prior study tharupper lungs are clear . degenerative changes in the right humeral head are visualized .
    OUTPUT:
    
Volume loss in both lower lungs .