Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP single view of the chest has been obtained with patient in upright position . Comparison is made with the next preceding similar study of ___ . On the present examination , a new right - sided chest tube is seen apparently introduced in the right lateral chest wall at the level of the fifth or sixth intercostal space . This tube points towards the superior mediastinal structures where it curves backwards into caudal direction . No pneumothorax can be identified on either side with patient in upright position . Comparison with the previous chest examination , the right - sided hilar structure appears more prominent . It is pointed out , however , that the patient underwent four CT examinations during the examination interval , the latest dated ___ .
    OUTPUT:
    
Chest tube in place , no evidence of pneumothorax .