Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low with unchanged bibasilar patchy and linear opacities . Small left pleural effusion . No pneumothorax noted on this single radiograph . Unchanged position of right IJ catheter and left chest tube . Unchanged cardiomegaly , sternal sutures and surgical material projecting over the mediastinum .
    OUTPUT:
    
No pneumothorax . Persistent low lung volumes with bibasilar atelectasis .