Zollinger-Ellison syndrome is a rare disorder where tumors form in the pancreas or duodenum (upper small intestine). The tumors cause the stomach to make a lot of acid. This can cause ulcers to form. The tumors may also be cancerous. They can spread to other parts of the body.
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Zollinger-Ellison syndrome. Cleveland Clinic website. Available at: https://my.clevelandclinic.org/health/diseases/17960-zollinger-ellison-syndrome. Accessed July 27, 2021.
Zollinger-Ellison syndrome. National Institute of Diabetes and Digestive and Kidney Diseases website. Available at: https://www.niddk.nih.gov/health-information/digestive-diseases/zollinger-ellison-syndrome. Accessed July 27, 2021.
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