Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pleural catheter is unchanged in position . Endobronchial valves is unchanged in position in the left hilum . No pneumothorax is seen . Cardiac size is normal . The lungs are clear . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No evidence of pneumothorax . Left pleural catheter is unchanged in position .