Which organization uses cancer stages that correlate with specific TNM groupings?

• A. FIGO
• B. NCCN
• C. WHO
• D. AJCC

Answer: (D)

The main idea here is cancer staging based on the TNM framework. Tumor size and extent (T), regional lymph node involvement (N), and distant metastasis (M) are combined to form stage groups, typically I through IV, which guide prognosis and treatment decisions. The organization that standardizes and publishes these exact stage groupings tied to specific TNM values is the AJCC (American Joint Committee on Cancer). Their staging manuals lay out how particular T, N, and M combinations map to a defined stage, ensuring consistent interpretation across clinicians and institutions. Other groups may develop guidelines or disease-specific stage schemes, but AJCC is the core source for the universal TNM-based stage classifications used in general oncology practice.