Differential DiagnosesBiliary ColicMesenteric Artery IschemiaCholecystitisPancreatic CancerCholelithiasisPancreatitis, AcuteGastritis, AcutePancreatitis, ChronicGastritis, Chronic Gastroesophageal Reflux Disease Other Problems to Be ConsideredCrohn disease with gastric or duodenal involvementDrug-induced dyspepsiaDuodenitisFunctional (nonulcerous) dyspepsiaGastric infectionsInfiltrative diseases