AJCC Cancer Staging System : Anus

Version 9 of the American Joint Committee on Cancer (AJCC) Cancer Staging System for the Anus. The new Version 9 Anus content is presented in a streamlined, easy-to-use format, incorporates the World Health Organization (WHO) 2020 Classification of Tumors histology codes. Physicians, registrars, researchers, and other content users will be benefit from the updated Anus content, including tables, explanatory notes and illustrations. Version 9 of the Anus Cancer Staging System< becomes effective on January 1, 2023 and replaces the 8th Edition.