Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is interval development of pneumomediastinum . There is large gaseous distention of the stomach . There has also been interval development of pneumoperitoneum which is normal and consistent with known recent attempted PEG tube placement . Otherwise , the cardiac and mediastinal contours are grossly unchanged . There are bilateral chronic appearing apical interstitial changes as present on prior examinations , of unclear clinical significance . Lung fields visualized are grossly unchanged from prior examination . There has been interval removal of NG tube .
    OUTPUT:
    
1 . Interval development of pneumomediastinum . 2 . Pneumoperitoneum , normal in amount and consistent with recent attempted PEG tube placement .