Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval re-expansion of the right lung since ___ with a small residual right apical pneumothorax faintly identified . Severe bullous emphysema is unchanged . The heart and mediastinum are within normal limits despite the projection . Regional bones and soft tissues are unremarkable .
    OUTPUT:
    
Resolving small right apical pneumothorax . Stable severe bolus emphysema .