Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is persistent evidence of pneumoperitoneum which is stable in comparison to prior radiograph . Pneumomediastinum is again visualized , with no significant interval change . Grossly , the cardiac and mediastinal contours are unchanged . There is stable appearance of bilateral apical interstitial changes as seen previously . There are left basilar atelectatic changes noted which are more prominent in comparison to prior film . There is no evidence of a pneumothorax or effusion .
    OUTPUT:
    
Interval development of left basilar atelectatic changes . Otherwise stable chest x-ray showing persistent pneumomediastinum and pneumoperitoneum .