AUTHOR=Zhang Nan , Chen Shiyun , Shi Yue , Wang Zhikuan , Jia Ru , Dai Guanghai 

TITLE=Charlson syndrome index predicted survival in pancreatic cancer patients received immunotherapy

JOURNAL=Frontiers in Immunology

VOLUME=16

YEAR=2025

URL=https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1487318

DOI=10.3389/fimmu.2025.1487318

ISSN=1664-3224