Gastrointestinal disease encompasses disorders of the esophagus, stomach, small intestine, colon, liver, gall bladder, and pancreas. Ultrasonography, endoscopy, fluoroscopy, and laboratory testing are integral to diagnosing gastrointestinal disease.

• Esophageal dysmotility
• Exocrine pancreatic insufficiency
• Food allergies
• Inflammatory bowel disease