1) Brierley JD, Gospodarowicz MK, et al : TNM Classification of Malignant Tumours. 8th edition. John Wiley & Sons, Inc. NJ, USA, 2017.
2) NCCN Guidelines for Head and Neck Cancers (Version 2.2023). NCCN, Available at: https://www.nccn.org/professionals/physician_gls/pdf/head-and-neck.pdf, Accessed July 4th, 2023.
3) Rahman N, MacNeill M, et al : Reframing Histological Risk Assessment of Oral Squamous Cell Carcinoma in the Era of UICC 8th Edition TNM Staging. Head Neck Pathol 15: 202-211, 2021.
4) Almangush A, Mäkitie AA, et al : Staging and grading of oral squamous cell carcinoma: An update. Oral Oncol 107: 104799, 2020.
5) Ammann Y, Beutner U, et al : Impact of the new TNM Staging System(8th edition) on oral tongue cancers. Swiss Med Wkly 151: w20493, 2021.