Author Description

Version 9 of the American Joint Committee on Cancer (AJCC) Cancer Staging System for Nasopharynx. The new Version 9 Nasopharynx content is presented in a streamlined, easy-to-use format, incorporates the World Health Organization (WHO) Classification of Tumors histology codes. Physicians, registrars, researchers, and other content users will be benefit from the updated content, including tables, explanatory notes and illustrations. Version 9 of the Nasopharynx Cancer Staging System becomes effective on January 1, 2025 and replaces the 8th Edition Nasopharynx cancer site content.