Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in semi-upright position . Comparison is made with the next preceding similar study obtained one day earlier . During the interval , the right - sided chest tube has been removed . No remaining pneumothorax can be identified . Previously identified NG tube remains . No new pulmonary abnormalities are seen , and the lateral pleural sinuses remain free .
    OUTPUT:
    
No pneumothorax following chest tube removal .