Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest ___ at 16 : 53 is submitted .
    OUTPUT:
    
Pneumomediastinum is again seen . No free intraperitoneal air appreciated . Contrast is seen within the visualized colon . Lungs are well inflated without evidence of focal airspace consolidation , pleural effusions , pulmonary edema or pneumothorax . Overall cardiac and mediastinal contours are stable .