Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously visualized spiculated right upper lobe opacity appears less conspicuous in comparison to the prior study suggesting a resolving infectious or inflammatory process . Bibasilar opacities are noted likely representative of atelectasis . Biapical bullous emphysematous changes are again noted . Otherwise , the lungs are without any new focal consolidation . The cardiac and mediastinal contours appear stable . There is no pleural effusion or pneumothorax . No acute fractures are identified .
    OUTPUT:
    
Biapical bullous emphysematous changes . Right upper lobe spiculated opacity appears less conspicuous in comparison to the prior study , suggesting a resolving infectious or inflammatory etiology . A follow up chest CT , however , is recommended , as was noted on the prior CT report .