| Inbound Relationships | Type | Active | Source | Characteristic | Refinability | Group | 
| [M]Squamous cell carcinoma, metastatic NOS | Is a | False | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier |  | 
| Metastatic squamous cell carcinoma | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to lymph node | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to liver | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to lung | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to skin | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to left kidney | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bilateral lungs | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bilateral lungs | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 2 | 
| Metastatic squamous cell carcinoma to left lung | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to right lung | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to right kidney | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bone | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to abdominal lymph node | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to lymph node of upper limb | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to lymph nodes of head and neck | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to lymph nodes of multiple sites | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to lymph node of lower limb | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma of pelvic lymph node | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to thoracic lymph node | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bronchus | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bronchus of left upper lobe | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bronchus of right upper lobe | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bronchus of left lower lobe | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bronchus of right lower lobe | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to bronchus of right middle lobe | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to prostate | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to epididymis and spermatic cord | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic squamous cell carcinoma to epididymis and spermatic cord | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 2 | 
| Metastatic squamous cell carcinoma to liver and intrahepatic biliary tract | Associated morphology | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier | 1 | 
| Metastatic clear cell squamous cell carcinoma | Is a | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier |  | 
| Metastatic acantholytic squamous cell carcinoma | Is a | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier |  | 
| Metastatic verrucous carcinoma | Is a | True | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier |  | 
| [M]Squamous cell carcinoma, metastatic NOS | Is a | False | Squamous cell carcinoma, metastatic | Inferred relationship | Existential restriction modifier |  |