A nurse is assessing a client following an esophagogastroduodenoscopy. Which of the following findings should the nurse report to the provider?

A. Belching: A common, benign post-procedure occurrence. B. Sore throat: Expected due to endoscope insertion. C. Flatulence: Typically benign and not concerning post-EGD. D. Abdominal pain: May indicate a perforation or other serious complication and requires immediate evaluation.