Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The newly placed ETT tip is in standard position . There has been interval placement of endobronchial valves which project over the right upper lobe and lower lobe bronchi . 2 pigtail catheters project over the right mid thorax , unchanged . A small right apical pneumothorax overall unchanged . The lungs are hyperexpanded with background hyperlucency and flattening the hemidiaphragms , consistent with emphysema . Opacities in the right upper lobe are overall unchanged . Left upper lobe increased interstitial markings in reflect chronic scarring . Heart size is normal . The mediastinum is not widened . No pleural effusion .
    OUTPUT:
    
Persistent small right apical pneumothorax status post right and endobronchial valve placement . Otherwise , no significant interval change .