Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to ___ , lung volumes are slightly lower . Bilateral small pleural effusion and mild left atelectasis are again seen , likely unchanged from CT chest on ___ . Otherwise , the lungs are clear . Heart size is normal . The mediastinum and hilar contours are normal . Right - sided port appear unchanged in position . Vertebral fractures and kyphoplasty are not well seen on this exam .
    OUTPUT:
    
Bilateral small pleural effusion , new since ___ , though likely stable from ___ . If symptoms persist , CT chest with contrast for evaluation of cement embolization or paraspinal infection .