| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire skin of lower leg | Is a | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier |  | 
| Skin of part of lower leg | Is a | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier |  | 
| Varicose veins of the leg with ulcer | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Neuropathic ulcer of foot due to diabetes mellitus | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of toe | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of heel | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of big toe | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Neuroischemic foot ulcer | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Skin ulcer of dorsum of foot | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Skin ulcer of calf | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of calf | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of knee | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of malleolus | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of lateral malleolus | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of medial malleolus | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of shin | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Varicose veins of leg in long saphenous vein distribution with ulcer | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Varicose veins of leg in short saphenous vein distribution with ulcer | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Excision of excessive skin and subcutaneous tissue of leg | Procedure site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Perforating ulcer of the foot | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant melanoma of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Primary malignant neoplasm of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary malignant neoplasm of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of uncertain behavior of skin of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of lower extremity | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Ulcer of foot | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Mixed diabetic ulcer - foot | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Leg ulcer NOS | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Boil of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion, lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Multiple superficial injuries of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Scratch of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Wood splinter in lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 3 | 
| Cut of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Foreign body in skin of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Epidermal burn of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Partial thickness burn of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary malignant neoplasm of skin of hip and leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of skin of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion of lower leg, infected | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Splinter of lower leg, without major open wound | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 2 | 
| Splinter of lower leg, without major open wound, infected | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial partial thickness burn of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Deep partial thickness burn of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of lower leg, infected | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other superficial injuries of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Blister of leg with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion AND/OR friction burn of leg with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion AND/OR friction burn of leg without infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of leg without infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Blister of lower leg without infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Allergic contact dermatitis of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant neoplasm of skin of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of knee, infected | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 2 | 
| Nonvenomous insect bite of leg with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of ankle with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 2 | 
| Nonvenomous insect bite of buttock with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 2 | 
| Nonvenomous insect bite of thigh with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 2 | 
| Nonvenomous insect bite of hip with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 2 | 
| Insect bite, nonvenomous, of foot and toe, infected | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 2 | 
| Insect bite, nonvenomous, of foot and toe, infected, NOS | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Carbuncle of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Primary malignant neoplasm of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion AND/OR friction burn of leg without infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary malignant neoplasm of skin of hip and leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion, lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial injury of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| [X]Other superficial injuries of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of skin of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant melanoma of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Carbuncle of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of uncertain behavior of skin of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Partial thickness burn of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Foreign body in skin of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion of lower leg, infected | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Scratch of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Boil of lower leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of leg without infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Allergic contact dermatitis of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion AND/OR friction burn of leg with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Deep partial thickness burn of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of lower leg, infected | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial partial thickness burn of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Multiple superficial injuries of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Cut of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Epidermal burn of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Blister of lower leg without infection | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Secondary malignant neoplasm of skin of leg | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of leg with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Blister of leg with infection | Finding site | False | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant neoplasm of skin of lower leg | Finding site | True | Skin structure of lower leg | Inferred relationship | Existential restriction modifier | 1 |