Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from earlier today , there has been interval development of a right - sided pneumothorax , seen extending from the apex to the right lung base . The cardiomediastinal and hilar contour are within normal limits and midline . The left lung is intact . Surgical clips are seen in the right upper quadrant . IVC filter is also noted in the upper abdomen .
    OUTPUT:
    
New moderate - sized right pneumothorax .