Classification of 3097 patients from the Japanese melanoma study database using the American joint committee on cancer eighth edition cancer staging system

Background The American Joint Committee on Cancer (AJCC) 8th Edition Cancer Staging System was implemented in 2018; however, it has not been validated in an Asian melanoma population. Objective The purpose of this study was to validate the new system using a cohort of Japanese melanoma patients. Methods The AJCC 7th and 8th Editions were used for TNM classification of patients in a database established by the Japanese Melanoma Study Group....