AUTHOR=Dai Xuan , Li Yifan , Wang Haoran , Dai Zhujiang , Chen Yuanyuan , Liu Yun , Huang Shiyong TITLE=Development and validation of nomograms based on pre-/post-operative CEA and CA19-9 for survival predicting in stage I-III colorectal cancer patients after radical resection JOURNAL=Frontiers in Oncology VOLUME=14 YEAR=2024 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2024.1402847 DOI=10.3389/fonc.2024.1402847 ISSN=2234-943X