Benign esophagus strictures caused by reflux esophagitis in cases of duodenal ulcer.
D003251:Constriction, Pathologic; D004381:Duodenal Ulcer; D004940:Esophageal Stenosis; D004942:Esophagitis, Peptic; D004947:Esophagus; D006801:Humans; D010437:Peptic Ulcer / Q000150:complications*
ESOPHAGUS/stenosis; PEPTIC ULCER/complications