Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest . Tracheostomy , NG feeding tube , large bore right IJ catheter , left subclavian central venous catheter , and right pleural catheter are in stable position . Lung volumes remain low and there is persistent elevation of the right hemidiaphragm . There is no new consolidation , effusion , or pneumothorax . Heart size and mediastinal contours are stable .
    OUTPUT:
    
Little interval change with persistent low lung volumes and elevation of the right hemidiaphragm .