| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Malignant neoplasm of posterior wall of nasopharynx NOS | Is a | False | Malignant tumour of posterior wall of nasopharynx | Inferred relationship | Some | |
| Metastatic malignant neoplasm to posterior wall of nasopharynx | Is a | True | Malignant tumour of posterior wall of nasopharynx | Inferred relationship | Some | |
| Malignant tumor of adenoid | Is a | True | Malignant tumour of posterior wall of nasopharynx | Inferred relationship | Some | |
| Primary malignant neoplasm of posterior wall of nasopharynx | Is a | True | Malignant tumour of posterior wall of nasopharynx | Inferred relationship | Some | |
| Squamous cell carcinoma of posterior wall of nasopharynx (disorder) | Is a | True | Malignant tumour of posterior wall of nasopharynx | Inferred relationship | Some | 
This concept is not in any reference sets