- Abdominal wall mass
- Barrett's esophagus
- Bile duct cancer (Cholangiocarcinoma)
- Bile duct tumor
- Biliary dyskinesia
- Endocrine cancer
- Endocrine tumor
- Esophageal achalasia
- Esophageal cancer
- Esophageal diverticulum
- Esophageal motility disorder
- Esophageal reflux
- Esophageal stricture
- Gallbladder disease
- Gallbladder sludge
- Gallstone pancreatitis
- Gallstones
- Gastric cancer (Stomach cancer)
- Gastrointestinal carcinoid tumor
- Neuroendocrine tumors
- Pheochromocytoma
- Retroperitoneal mass
- Swallowing difficulty
- Zenker diverticulum
- Cholecystectomy (Gallbladder removal surgery)
- Duodenal surgery
- Esophagus removal surgery (Esophagectomy)