Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant interval change in the moderate to large right pneumothorax . There is persistent right hilar prominence in addition to increasing opacities in the right lower and mid lung zone . The trachea remains midline . A small right pleural effusion is noted . The left lung is clear . The appearance of the cardiac silhouette is unchanged .
    OUTPUT:
    
No significant interval change in the moderate to large right pneumothorax .