| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| Germ cell tumor, nonseminomatous | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Intratubular malignant germ cells | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Struma ovarii, malignant | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Teratoma, malignant, no International Classification of Diseases for Oncology subtype | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Malignant teratoma, intermediate | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Struma ovarii | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Embryonal carcinoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Germinoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Polyembryoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Strumal carcinoid | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Mixed germ cell tumor | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Seminoma, no International Classification of Diseases for Oncology subtype | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Teratoma, benign | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Teratoma, no International Classification of Diseases for Oncology subtype | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Malignant dysgerminoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Teratocarcinoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Mature cystic teratoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Seminoma, anaplastic | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Endodermal sinus tumor | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Gonadoblastoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Malignant teratoma, undifferentiated | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Teratoma with malignant transformation | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Spermatocytic seminoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Germ cell neoplasms | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Strumal neoplasms | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Germ cell neoplasm NOS | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Germ cell tumor of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant germ cell tumor of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Choriocarcinoma of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Embryonal carcinoma of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Benign germ cell tumor of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant dysgerminoma of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Endodermal sinus tumor of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 2 | 
| Benign teratoma of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 3 | 
| Mature cystic teratoma of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 3 | 
| Malignant pinealoma | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Suprasellar germ cell tumor | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Regressed germ cell tumor | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Diffuse embryoma | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Germ cell tumor | Associated morphology | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Yolk sac tumor | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Teratoma - category | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Germ cell tumor of the brain | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Germ cell tumor of the brain | Associated morphology | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Benign germ cell tumor of ovary | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Germ cell tumor of ovary | Associated morphology | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Suprasellar germ cell tumor | Associated morphology | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma - category | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Malignant germ cell neoplasm of posterior mediastinum | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant germ cell neoplasm of anterior mediastinum | Associated morphology | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Germ cell tumor of testis | Associated morphology | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant germ cell neoplasm | Is a | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Benign germ cell neoplasm | Is a | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Dermoid cyst | Is a | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Germ cell neoplasm of uncertain behavior | Is a | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| Teratoma | Is a | True | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Germ cell neoplasms | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Strumal neoplasms | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  | 
| [M]Germ cell neoplasm NOS | Is a | False | Germ cell neoplasm | Inferred relationship | Existential restriction modifier |  |