| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire small saphenous vein | Is a | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier |  | 
| Ligation of short saphenous vein | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Stripping of the short saphenous vein | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Superficial thrombophlebitis of short saphenous vein | Finding site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Lesser saphenous vein injury | Finding site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Varicose veins of leg with short saphenous vein distribution | Finding site | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| High ligation of short saphenous vein | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Varicose veins of leg in short saphenous vein distribution with eczema | Finding site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Varicose veins of leg in short saphenous vein distribution with ulcer | Finding site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 4 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Injury of lesser saphenous vein at lower leg level | Finding site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 5 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 7 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 5 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 6 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 4 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 5 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 3 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 3 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 4 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Harvesting of short saphenous vein | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Ligation, division and complete stripping of short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 3 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 3 | 
| Ligation, division and complete stripping of long and short saphenous veins | Procedure site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 5 | 
| Structure of tributary of small saphenous vein | Is a | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier |  | 
| Ligation of short saphenous vein | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Stripping of the short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| High ligation of short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Harvesting of short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Stripping of the short saphenous vein | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial thrombophlebitis of short saphenous vein | Finding site | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Varicose veins of leg in short saphenous vein distribution with eczema | Finding site | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous laser ablation of short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Lesser saphenous vein injury | Finding site | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous radiofrequency ablation of short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Varicose veins of leg with short saphenous vein distribution | Finding site | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| High ligation of short saphenous vein | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Ligation of short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Injury of lesser saphenous vein at lower leg level | Finding site | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous injection of sclerosing agent into short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous injection of sclerosing agent into short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Indirect | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous laser ablation of short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous radiofrequency ablation of short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous injection of sclerosing agent into short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous injection of sclerosing agent into short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Indirect | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Harvesting of short saphenous vein | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous radiofrequency ablation of short saphenous vein using fluoroscopic guidance with contrast | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Varicose veins of leg in short saphenous vein distribution with ulcer | Finding site | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 5 | 
| Ligation of short saphenous vein and multiple avulsions of varicose veins | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Marking of skin over small saphenous vein using Doppler ultrasonographic guidance | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous injection of sclerosing agent into short saphenous vein using ultrasonography guidance (procedure) | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 3 | 
| Fluoroscopy guided percutaneous injection of sclerosing agent into short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Fluoroscopy guided percutaneous injection of sclerosing agent into short saphenous vein | Procedure site - Indirect | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Fluoroscopy guided percutaneous laser ablation of short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Fluoroscopy guided percutaneous laser ablation of short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Fluoroscopy guided percutaneous radiofrequency ablation of short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Fluoroscopy guided percutaneous radiofrequency ablation of short saphenous vein | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Marking of skin over small saphenous vein using ultrasonography guidance (procedure) | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Marking of skin over small saphenous vein using ultrasonography guidance (procedure) | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Ligation of short saphenous vein and multiple avulsions | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Marking of skin over small saphenous vein using ultrasonography guidance (procedure) | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous radiofrequency ablation of short saphenous vein using ultrasonography guidance (procedure) | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous radiofrequency ablation of short saphenous vein using ultrasonography guidance (procedure) | Procedure site - Direct | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 | 
| Percutaneous injection of sclerosing agent into short saphenous vein using ultrasonography guidance (procedure) | Procedure site - Indirect | True | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Percutaneous injection of sclerosing agent into short saphenous vein using ultrasonography guidance (procedure) | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 2 | 
| Marking of skin over small saphenous vein using Doppler ultrasonographic guidance (procedure) | Procedure site - Direct | False | Structure of small saphenous vein | Inferred relationship | Existential restriction modifier | 1 |