The additional Pretext Staging System used to describe the annotation factors relating to the liver during a Children Teenagers and Young Adults Cancer Care Spell.
National Codes:
| V | Extension into the vena cava and/or all three hepatic veins |
| P | Extension into the main and/or both left and right branches of the portal vein |
| E | Extra-hepatic disease |
| M | Presence of distant metastases |
| C | Caudate lode |
| F | Multiple Tumour nodules |
| N | Lymph Node involvement |
| R | Rupture |
| Z | None |
