2026年3月4~6日，第98届日本胃癌学会（JGCA）年会在日本冲绳召开，同时发布了第16版《胃癌处理规约》（以下简称规约）。第16版规约修订较多，其保持了与第15版规约和第12版《食管癌处理规约》的一致性、连续性，维系与TNM分期接轨，补充了新的规定。第16版规约主要修订了食管胃结合部癌相关内容、胃癌进展度分期、癌肿状态的记载方法和治疗结果的评价方法。

From March 4 to 6，2026，the 98th Annual Meeting of the Japanese Gastric Cancer Association (JGCA) was held in Okinawa, Japan, where the 16th edition of the Japanese Classification of Gastric Carcinoma (hereinafter referred to as the Classification) was also released. This edition has undergone significant modifications, maintaining consistency and continuity with the 15th edition of the “Classification of Gastric Carcinoma” and the 12th edition of the “Classification of Esophageal cancer”, aligning with the TNM classification of the UICC/AJCC, and incorporating new provisions. The 16th edition of the “Classification of Gastric Carcinoma” primarily revises the methods for recording the cancer at the gastroesophageal junction, the staging of gastric cancer progression, the state of the cancer, and the evaluation methods for treatment outcomes.