Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar streaky opacities are similar in appearance compared to the prior radiograph from ___ , most likely atelectasis / scarring . There is no focal consolidation . No definite pleural effusions are seen . There is no pneumothorax . The cardiac and mediastinal contours are unchanged . There is re-demonstration of a large - sized hiatal hernia , not significantly changed . Subchondral cystic change is present in the right humeral head .
    OUTPUT:
    
1 . Bibasilar scarring / atelectasis . No focal consolidation . 2 . Large hiatal hernia , as before .