Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with patchy areas of atelectasis in both lower in mid lungs . An early infiltrate in these regions can not be excluded . The ET tube and NG tube are unchanged . The enlarged mediastinum is again visualized consistent with patient 's known adenopathy the stent which projects over the region of the left subclavian vein is again visualized
    OUTPUT:
    
Lower lung volumes with areas of atelectasis / infiltrate which are new compared to prior