Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in sitting semi-upright position . Comparison is made with the next preceding similar study of ___ . The right - sided chest tube remains in unchanged position . No pneumothorax has developed . No new chest abnormalities are seen .
    OUTPUT:
    
Stable chest findings during latest one day examination interval .