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 . Analysis is performed in direct comparison with the next preceding similar study obtained seven hours earlier during the same day . During the interval , one of the left - sided basal chest tubes has been removed . The second lower position tube remains . There is no evidence of pneumothorax in the left hemithorax after tube removal and no new pulmonary abnormalities are seen . No mediastinal shift can be identified .
    OUTPUT:
    
Uncomplicated removal of one left - sided chest tube .