Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to 14 : 13 today , there has been no appreciable change . Lung volumes remain low . Again , a right chest tube is in place without a definite pneumothorax . Substantial left side atelectasis is unchanged . No new focal consolidation . Subcutaneous air persists .
    OUTPUT:
    
No appreciable change from 14 : 13 today .