Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from the same day , overall no substantial change in the left hydro pneumothorax , pneumomediastinum and substantial subcutaneous air . Left basilar opacities are constant likely atelectasis . Scarring in the right hilus and hyperinflation unchanged .
    OUTPUT:
    
Overall no substantial change of the left hydro pneumothorax .