Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Accounting for differences in technique , the cardiomediastinal and hilar contours are stable . There is no pleural effusion or pneumothorax . There is no focal consolidation concerning for pneumonia . Again seen are cystic changes in the left upper lung . Bibasilar streaky atelectasis is again present .
    OUTPUT:
    
No change in bibasilar atelectasis .