Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low , particularly on the right where there is blunting of the costophrenic angle consistent with a small pleural effusion . The right - sided chest tube is unchanged in position , post lateral chest wall . No pneumothorax seen . The cardiomediastinal contour is unchanged . No consolidation seen .
    OUTPUT:
    
No significant interval change when compared to the prior study .