Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal , and hilar contours are unremarkable . Both lungs are clear with no focal consolidation , pleural effusion , or pneumothorax . There is extensive intra-abdominal air . Surgical clips are noted in the mid abdomen .
    OUTPUT:
    
Intraperitoneal free air . Findings were discussed with RN , ___ , in Dr . ___ ___ via telephone at 11 : 28 am on ___ at the time of discovery of findings .