<unk><unk>  disease may be classified into two types based on the location within the gastrointestinal tract. gastric<unk>  and duodenal<unk> . Gastric<unk> s are present mostly at lesser curvature of the stomach while Duodenal<unk> s are mostly present at the duodenal bulb.
Peptic ulcer classification
Dyspepsia classification
Gastritis classification
Helicobacter pylori infection classification
Nausea and vomiting classification
Constipation classification
Lower gastrointestinal bleeding classification
Barrett's esophagus classification