An ulcer in the duodenal wall.
Comprehensive, easy-to-understand information about this condition
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gastric ulcer
MONDO:0001126
gastrojejunal ulcer
MONDO:0001155
duodenal obstruction
MONDO:0002688
active peptic ulcer disease
MONDO:0004242
peptic ulcer perforation
MONDO:0004260
duodenitis
MONDO:0004627