| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Rigid esophagoscope | Is a | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Endoscopic insertion of tubal prosthesis into esophagus | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy through artificial stoma | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for biopsy and collection of specimen by brushing or washing | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for removal of polypoid lesion | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for removal of polypoid lesion | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 3 | 
| Esophagoscopy for direct dilation | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy for direct dilation | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic excision of lesion of esophagus | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopy of esophagus | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for insertion of wire to guide dilation | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy for insertion of wire to guide dilation | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for insertion of wire to guide dilation | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 3 | 
| Esophagoscopy for destruction of lesion or tumor | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for removal of foreign body | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for removal of foreign body | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy by intraoperative incision | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for biopsy | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for injection of esophageal varices | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy for injection of esophageal varices | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for control of hemorrhage | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy - direct | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy - stomal | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscop remove object | Using access device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy - direct | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for destruction of lesion or tumor | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy through artificial stoma | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for injection of esophageal varices | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic insertion of tubal prosthesis into esophagus | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopy of esophagus | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for control of hemorrhage | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for removal of foreign body | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for removal of foreign body | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy for biopsy and collection of specimen by brushing or washing | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Endoscopic excision of lesion of esophagus | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy by intraoperative incision | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for biopsy | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy - stomal | Using device | False | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy for injection of esophageal varices | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagoscopy and bougienage | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagoscopy and bougienage | Using access device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Flexible video esophagoscope | Is a | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Flexible fiberoptic esophagoscope | Is a | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Endoscopy of pharynx, trachea and esophagus | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 3 | 
| Esophagogastroduodenoscopy gastric outlet reduction | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy through stoma | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy with insertion of guide wire and dilation of esophagus | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 5 | 
| Esophagogastroduodenoscopy and fecal microbiota transplant | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagogastroduodenoscopy with endoscopic ultrasound of upper gastrointestinal tract | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Operative esophagogastroduodenoscopy | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 4 | 
| Operative esophagogastroduodenoscopy | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy with directed submucosal injection | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Fiberoptic esophagoscope | Is a | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier |  | 
| Fiberoptic endoscopic examination of upper gastrointestinal tract and staining of gastric mucosa | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagogastroduodenoscopy with control of esophageal hemorrhage by injection | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagogastroduodenoscopy with control of hemorrhage of esophagus | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy with clipping for control of hemorrhage of esophagus | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy with control of hemorrhage of esophagus by thermocoagulation | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy with radiofrequency ablation of esophagus | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 1 | 
| Esophagogastroduodenoscopy and closure of fistula of duodenum | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 | 
| Esophagogastroduodenoscopic electrohydraulic lithotripsy of bezoar in stomach | Using device | True | Esophagoscope, device | Inferred relationship | Existential restriction modifier | 2 |