| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Entire skin of back | Is a | True | Skin structure of back | Inferred relationship | Existential restriction modifier |  | 
| Skin of part of back | Is a | True | Skin structure of back | Inferred relationship | Existential restriction modifier |  | 
| Neoplasm of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant melanoma of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Primary malignant neoplasm of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic malignant neoplasm to skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of uncertain behavior of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Melanoma in situ of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Boil of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion, back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Contusion of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of interscapular region | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Traumatic blister of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of scapular region | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Scratch of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Wood splinter in back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Cut of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial corrosion of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Foreign body in skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial foreign body of interscapular region without major open wound AND without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 3 | 
| Superficial foreign body of back without major open wound AND without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 3 | 
| Nonvenomous insect bite of back with infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of back without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Partial thickness burn of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial foreign body of interscapular region without major open wound but with infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Furuncle of back, except buttock | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Blister of back without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Epidermal burn of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial foreign body of back without major open wound but with infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Blister of interscapular region without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Blister of scapular region without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Abrasion of back, infected | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Splinter of back, without major open wound | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Splinter of back without major open wound, infected | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial burn of back (excluding buttock) | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial partial thickness burn of the back (excluding buttock) | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Deep partial thickness burn of back (excluding buttock) | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of back, infected | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Contusion, back NOS | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of interscapular region without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 3 | 
| Insect bite, nonvenomous, of interscapular region | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 3 | 
| Traumatic blister of interscapular region | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Laceration of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion and/or friction burn of back without infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion and/or friction burn of back with infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial laceration of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Cellulitis of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Carbuncle of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Furuncle of back, except buttock | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Carbuncle of back, except buttock | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Pressure injury of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Basal cell carcinoma of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Squamous cell carcinoma of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Neoplasm of uncertain behavior of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Carbuncle of back, except buttock | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial burn of back (excluding buttock) | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Scratch of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Carbuncle of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant melanoma of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Cellulitis of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Squamous cell carcinoma of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Neoplasm of uncertain behavior of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Boil of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Basal cell carcinoma of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Epidermal burn of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Benign neoplasm of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion, back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Blister of back without infection | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Furuncle of back, except buttock | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Cut of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Foreign body in skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion and/or friction burn of back without infection | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion of back, infected | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Carcinoma in situ of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion and/or friction burn of back with infection | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Melanoma in situ of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Pressure injury of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial corrosion of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Deep partial thickness burn of back (excluding buttock) | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Traumatic blister of back, infected | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Primary malignant neoplasm of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Insect bite, nonvenomous, of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of back with infection | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial laceration of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Superficial partial thickness burn of the back (excluding buttock) | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Nonvenomous insect bite of back without infection | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic malignant neoplasm to skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Neoplasm of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Epidermoid cyst of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Cystic dermoid choristoma of skin of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Epidermoid cyst of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Mass of skin of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Abrasion and/or friction burn of back with infection | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Abrasion of back, infected | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Boil of back | Finding site | False | Skin structure of back | Inferred relationship | Existential restriction modifier | 1 | 
| Carbuncle of back | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 | 
| Carbuncle of back, except buttock | Finding site | True | Skin structure of back | Inferred relationship | Existential restriction modifier | 2 |