KUB

1. What support lines are present? No support lines are visible.

2. What is abnormal? There is air in crescents under both diaphragms, consistent with free intraperitoneal air.

3. How acute is the finding likely to be? Given the history, this could be an expected post-operative finding, depending on the surgical approach

4. What would you do next? If an intraperitoneal approach was used for the surgery, then this free air is normal and should decrease over several days. If an entirely retroperitoneal approach was used, then this could indicate a perioperative complication, such as gastric ulceration with perforatio

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