T. Timothy Chen, PhD | Authors

Commentary (Chen/Feigal): Inclusion of Comorbidity in a Staging System for Head and Neck Cancer

September 01, 1995

The tumor, node, metastases (TNM) cancer staging system is widely accepted by physicians as a predictor of prognosis and as a guide to therapy. Multiple national and international organizations, including the American Joint Committee on Cancer and the TNM Committee of the International Union Against Cancer have periodically evaluated and revised this international staging system since it was first proposed over four decades ago [1].