The TNM classification (International Union Against Cancer) of salivary gland carcinoma was revised in 1997. In this study, the authors have evaluated the validity of this new TNM classification and clinical staging in 1683 patients with parotid gland carcinoma.
Japanese Joint Committee on TNM Classification, the Head and Neck Subcommittee, the Salivary Gland Division, Department of Otorhinolaryngology, Chiba University, School of Medicine, Inohana, Chuo-ku, Chiba City, Chiba, Japan.