DAVID M. MARTIN, MD / SCIENCE PHOTO LIBRARY DAVID M. MARTIN, MD / SCIENCE PHOTO LIBRARY
Duodenitis, endoscope view. Duodenitis is a non- ulcerative inflammation of the duodenum. The duodenum is the first part of the small intestine immediately below the stomach. The cause is uncertain and produces vague gastrointestinal symptoms. There is no effective treatment for duodenitis.
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