| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| [M]Seminomas | Is a | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| [M]Seminoma NOS | Is a | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| Malignant seminoma of mediastinum | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of undescended testis | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Mixed seminoma teratoma of testis | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 2 | 
| Seminoma of descended testis | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma with syncytiotrophoblastic cells | Is a | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| Seminoma of testis, stage 1 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis, stage 2 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis, stage 3 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis, stage 4 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of descended testis | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis, stage 4 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis, stage 3 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis, stage 2 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of undescended testis | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Malignant seminoma of mediastinum | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| Seminoma of testis, stage 1 | Associated morphology | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier | 1 | 
| [M]Seminomas | Is a | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  | 
| [M]Seminoma NOS | Is a | False | Seminoma, no International Classification of Diseases for Oncology subtype | Inferred relationship | Existential restriction modifier |  |