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 . In comparison with the next preceding chest examination of ___ , the ETT has been removed . Previously existing chest tube on the left side and advanced from below has been removed . No pneumothorax has developed in the apical area . Mild obscuration of left - sided diaphragm suggestive of some postoperative small amount of pleural effusion , but no other new abnormalities are identified . A right - sided internal jugular approach central venous line remains in place . Its termination point projects into the upper portion of the right atrium . This position is unchanged compared with the previous study .
    OUTPUT:
    
No evidence of pneumothorax following chest tube removal .