Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior study , there has been removal of a tracheal bronchial stent . There is no evidence of pneumothorax . A right chest wall port catheter terminates at the superior cavoatrial junction . The lungs are otherwise clear . Heart size is normal .
    OUTPUT:
    
Status post removal of tracheobronchial stent . No pneumothorax .