| Outbound Relationships | Type | Target | Active | Characteristic | Refinability | Group | Values | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Neoplasm of pelvic bone | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of bone | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of trunk | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Pathological process | Benign neoplastic process | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Finding site | Cartilaginous tissue structure | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Finding site | Structure of innominate bone and/or sacrum and/or coccyx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Finding site | Bone structure | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Neoplasm of vertebral column | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Neoplasm of sacrum | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Neoplasm of pelvis | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Neoplasm of back | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of bone structure of spine | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Disorder of coccyx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Finding site | Bone structure of coccyx | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Finding site | Bone structure of sacrum | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of coccyx | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of sacrum | false | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 1 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | false | Inferred relationship | Existential restriction modifier | 2 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of pelvis | true | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of bone | true | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Neoplasm of pelvic bone | true | Inferred relationship | Existential restriction modifier |  |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Associated morphology | Neoplasm, benign | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Finding site | Structure of innominate bone and/or sacrum and/or coccyx | true | Inferred relationship | Existential restriction modifier | 3 |  | 
| Benign neoplasm of pelvic bones, sacrum and coccyx | Is a | Benign neoplasm of lower limb | false | Inferred relationship | Existential restriction modifier |  |  |