Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: When compared to ___ 11 :35 chest radiograph , there is no change in size of the small left apical pneumothorax . Both lungs are hyperinflated with stable emphysematous changes . The cardiomediastinal silhouette , hila , and pleural surfaces are normal .
    OUTPUT:
    
1 . No change in size of the small left apical pneumothorax since ___ : 35 today .