PRETEXT STAGING SYSTEM STAGE ANNOTATION FACTORS
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.
|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|
|M||Presence of distant metastases|
|F||Multiple Tumour nodules|
|N||Lymph Node involvement|