Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to yesterday 's examination , there has been interval removal of a left - sided chest tube with unchanged residual millimetric left apical pneumothorax without evidence of tension . There is otherwise no significant change . Cardiomediastinal silhouette and hilar contours are unchanged , and the lungs remain clear .
    OUTPUT:
    
Interval removal of left chest tube with unchanged residual millimetric left apical pneumothorax .