Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to films dating back to ___ including CT scan from that day ( MRN #___ ) and most recent film from ___ . A right - sided chest tube is in unchanged position . There is a small persistent right apical pneumothorax . Right - sided parenchymal opacity is compatible with contusion / laceration identified on original exam . The left lung is clear . The cardiomediastinal silhouette is unchanged . Multiple contiguous right upper - to - mid rib fractures are again seen with overlying subcutaneous gas .
    OUTPUT:
    
No significant interval change . Small persistent right apical pneumothorax .