Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with the prior radiograph , no significant change in the known left hiatal hernia , causing elevation of the left hemidiaphragm and mild left basilar atelectasis . The rest of the lungs are clear , without pneumothorax or focal consolidation concerning for pneumonia . Heart size is unchanged .
    OUTPUT:
    
1 . No focal consolidation concerning for pneumonia . 2 . Unchanged large left hiatal hernia , causing left hemidiaphragm elevation .