Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A tracheostomy tube is in place . The patient is rotated . A small layering left pleural effusion with associated left basilar subsegmental atelectasis is not appreciably changed . There are no new focal consolidations in either lung . The heart and mediastinum can not be accurately assessed due to projectional and rotational limitations , but contours are stable . There is no pneumothorax . There is stable marked S - shape scoliosis of the thoracolumbar spine .
    OUTPUT:
    
No significant interval change .