Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided chest tube has been removed . Overlying emphysema along the chest wall is similar . There is no definite pneumothorax , however . There is mild elevation of the left hemidiaphragm with streaky opacifications suggesting minor atelectasis . Elsewhere , the lungs appear clear . There is no pleural effusion . Mild degenerative changes are similar along the thoracic spine .
    OUTPUT:
    
No definite pneumothorax following removal of chest tube from the left hemithorax .