Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar scarring with possible atelectasis is again seen . There is persistent blunting of the left costophrenic angle . There is persistent scarring / pleural thickening along the lateral biapical regions , left greater than right . The cardiac and mediastinal silhouettes are stable with the cardiac silhouette enlarged . The posterior left 7th rib is not fully present as also noted on the prior study .
    OUTPUT:
    
No significant interval change .