| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Procedure on esophagus | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Procedure on stomach | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Upper gastrointestinal procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Duodenoscopy | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Access | Endoscopic approach - access | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Method | Inspection - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Direct device | Endoscope, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Procedure site | Esophageal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Procedure site | Duodenal structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Procedure site | Stomach structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Access instrument | Endoscope, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Gastroesophageal reflux study | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Esophagogastroduodenoscopy | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Using device | Gastroscope, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Procedure site - Direct | Upper gastrointestinal tract structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Endoscopic procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Upper gastrointestinal procedure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Gastrointestinal investigation | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Examination of body system | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Using access device | Endoscope, device | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Method | Examination - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Procedure site - Direct | Upper gastrointestinal tract structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Using device | Gastroscope, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Method | Examination - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Is a | Evaluation of gastrointestinal tract | false | Inferred relationship | Existential restriction modifier |  |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Using device | Endoscope, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Method | Examination - action | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Procedure site - Direct | Upper gastrointestinal tract structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Endoscopic examination of esophagus, stomach and duodenum | Using device | Endoscope, device | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Esophagogastroduodenoscopy through stoma | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Endoscopy of stomach | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagogastroduodenoscopy | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagogastroscopy | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Anesthesia for upper gastrointestinal endoscopic procedure | Has focus | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and injection sclerotherapy of varices | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and balloon dilatation | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and removal of foreign body | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and injection sclerotherapy of varices | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and biopsy | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and biopsy | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and snare resection | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and banding of esophageal varices | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and cauterization | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and balloon dilatation | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and snare resection | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and removal of foreign body | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and cauterization | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and insertion of tube prosthesis | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and insertion of tube prosthesis | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagoscopy for direct dilation | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Upper gastrointestinal endoscopy for directed placement of percutaneous gastrostomy tube | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagoscopy for removal of polypoid lesion | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagoscopy for insertion of wire to guide dilation | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagoscopy for removal of foreign body | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagoscopy for injection of esophageal varices | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic endoscopic examination of upper gastrointestinal tract and biopsy of lesion of upper gastrointestinal tract | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Diagnostic endoscopic examination of duodenum | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Diagnostic fiberoptic endoscopic examination of upper gastrointestinal tract | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and banding of esophageal varices | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic esophagoscopy and laser | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagogastroduodenoscopy with endoscopic ultrasound of upper gastrointestinal tract | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Rigid esophagoscopy and laser | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  | 
| Esophagogastroduodenoscopy with directed submucosal injection | Is a | False | Endoscopic examination of esophagus, stomach and duodenum | Inferred relationship | Existential restriction modifier |  |