Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ETT is in appropriate positioning . The NG tube is seen coursing below the diaphragm , however the tip is not visualized on these images . There is a left subclavian line terminating near the brachiocephalic vein . The left lower lobe atelectasis and small pleural effusion have not significantly changed . There are stable streaky opacities at the left hilum , likely atelectasis . The right basal atelectasis has slightly improved . Heart size is stable . The mediastinal and hilar contours are stable . The pulmonary vasculature is normal . No pneumothorax is seen .
    OUTPUT:
    
There is a left subclavian line terminating near the brachiocephalic vein . Mild decrease in the right lower lobe subsegmental atelectasis , otherwise no significant interval change .