Criteria
American Joint Committee on Cancer TNM staging system (version 9)[29]
The American Joint Committee on Cancer (AJCC) staging system describes the extent of disease based on the following anatomical factors:
Size and extent of the primary tumour (T)
Regional lymph node involvement (N)
Presence or absence of distant metastases (M).
Non-anatomical prognostic factors (e.g., tumour grade, biomarkers) may be used to supplement the staging of certain cancers.
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