AUTHOR=Li Xinyang , Cheng Xiang , Han Yikai , Liu Xiaodan , Fang Yujin , Ren Shengju , Dong Xiangwen , Lei Ziwen , Zhang Yue , Zhang Tengfei TITLE=Correction: PNI as a predictive biomarker: a novel nomogram of immunotherapy efficacy in advanced breast cancer JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1694570 DOI=10.3389/fonc.2025.1694570 ISSN=2234-943X