Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable radiograph of the chest demonstrates interval removal of left pleural tube since the prior study . There is now no residual pneumothorax . A left pleural effusion is unchanged . Bilateral parenchymal opacities are also unchanged since the prior study . Heart size is stable . No new focal opacities are identified .
    OUTPUT:
    
No pneumothorax after removal of left chest tube .