Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . The lungs are clear of consolidation or effusion . Cardiac silhouette is slightly globular in appearance , similar in configuration compared to prior . There is a linear lucency just below the right hemidiaphragm suggestive of free intraperitoneal air , which is partially visualized on the lateral as well . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Thin sliver of free intraperitoneal air below the right hemidiaphragm , not unexpected given postoperative status from cholecystectomy three days prior . Findings were discussed with resident , Dr . ___ , at 11 : 10 p .m . on ___ .