Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single AP radiograph of the chest was acquired . There are chronic reticular opacities throughout the right lung as well as at the left lung base , not significantly changed compared to radiographs dating back to ___ , allowing for slight underpenetration on today 's study . There is no new focal consolidation . The heart size and mediastinal contours are not significantly changed dating back through ___ . There are no definite pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
Chronic interstitial fibrotic disease throughout the right lung as well as at the left lung base , not significantly changed compared to radiographs dating back through ___ . No new focal consolidation .