Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph provided . There has been interval placement of a right chest tube with its tip directed at the right lung apex , with interval re-expansion of the right lung and only trace residual pneumothorax identified . Otherwise , no change . An IVC filter and clips are again noted in the upper abdomen .
    OUTPUT:
    
Interval placement of a right chest tube with minimal residual right pneumothorax .