| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group |
| Neoplasm of uncertain behavior of prepuce | Is a | False | Neoplasm of uncertain behavior of skin of perineum | Inferred relationship | Some | |
| Neoplasm of uncertain behavior of perianal skin | Is a | True | Neoplasm of uncertain behavior of skin of perineum | Inferred relationship | Some |
This concept is not in any reference sets