| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| CANC | CANC_TOPO(C720)_MORPHO(9391)_BEH(3) | Spinal cord, Ependymoma, NOS (C7t._) | 28 | |
| CANC | CANC_TOPO(C717)_MORPHO(9391)_BEH(3) | Brain stem, Ependymoma, NOS (C7t._) | 8 | |
| CANC | CANC_TOPO(C715)_MORPHO(9391)_BEH(3) | Ventricle, NOS, Ependymoma, NOS (C7t._) | 6 |