Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is in unchanged moderate right pneumothorax . The right chest tube is in unchanged position . Focal opacity in the right lower lobe likely reflects compressive and / or post-operative changes . Atelectasis is also present at the left lung base . The cardiac silhouette is unchanged . There is stable right chest subcutaneous emphysema .
    OUTPUT:
    
No significant interval change to the moderate right pneumothorax compared to study performed one day prior .