Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of the right - sided chest strain . A small right apical pneumothorax is seen . Persistent airspace opacities in the right upper lobe , similar in appearance when compared to the prior study . 2 fiducials are also unchanged in appearance . Apical pleural scarring noted . 2 calcified breast prostheses noted .
    OUTPUT:
    
Small right apical pneumothorax . Interval removal of the right - sided chest drain .