AUTHOR=Chen Yonghe , Liu Dan , Wei Kaikai , Lin Yi , Wang Zhong , Sun Qian , Wang Huashe , Peng Junsheng , Lian Lei TITLE=Carcinoembryonic antigen trajectory predicts pathological complete response in advanced gastric cancer after neoadjuvant chemotherapy JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1525324 DOI=10.3389/fonc.2025.1525324 ISSN=2234-943X