Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left chest tube has been removed . There is no pneumothorax . Residual mild - to - moderate bibasilar atelectasis and pleural effusions are unchanged . Biapical opacities , some of them due to pneumonia are stable .
    OUTPUT:
    
There is no significant change since previous exam . 1 . There is no pneumothorax after chest tube removal . 2 . Residual basilar pleural effusion and atelectasis are unchanged . 3 . Stable upper lobe opacities .