Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate size right pneumothorax is again demonstrated , little changed from the previous radiograph obtained earlier today at 11 : 13 , with mild leftward shift of mediastinal structures , also unchanged . A small right pleural effusion is also again noted , not substantially changed in the interval . Heart size remains top - normal . Hilar contours are unremarkable . Atelectasis in the right lung is again noted , with diffusely increased interstitial opacities , most pronounced at the lung bases , compatible with a fibrosing chronic interstitial lung disease . Emphysema is again noted with bulla seen within the right lung base . Coarse calcifications was scarring in the upper lobes is re - demonstrated . Mild wedging of a mid thoracic vertebral body is unchanged .
    OUTPUT:
    
1 . Moderate size right pneumothorax is little changed compared to the previous exam from 11 :13 today with continued atelectasis of the right lung and mild leftward shift of mediastinal structures suggesting mild element of tension . 2 . Small right pleural effusion , bullous emphysema , and chronic fibrosing interstitial lung disease is re - demonstrated .