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Published on in Vol 12 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/101162, first published .
Doctor in blue scrubs using a medical tablet in a hospital hallway

Preoperative Prediction of Lymph Node Metastasis in Colorectal Cancer Using Routinely Collected Clinical Data: Multicenter Retrospective Machine Learning Model Development and External Validation Study

Preoperative Prediction of Lymph Node Metastasis in Colorectal Cancer Using Routinely Collected Clinical Data: Multicenter Retrospective Machine Learning Model Development and External Validation Study

Gehui Xu   1 * , BMed ;   Xiaohe Sun   1 * , MM ;   Jiaxin Jiang   1 , BMed ;   Jin Sun   1 , PhD ;   Liu Li   1 , PhD ;   Haibo Cheng   1 , PhD ;   Yuekun Zhu   2 , PhD ;   Haiyi Liu   3 , PhD

1 First Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, China

2 Department of General Surgery, First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang, China

3 Department of Colorectal Surgery, Shanxi Provincial Cancer Hospital, Taiyuan, Shanxi, China

*these authors contributed equally

Corresponding Author:

  • Haibo Cheng, PhD
  • First Clinical Medical College
  • Nanjing University of Chinese Medicine
  • 138 Xianlin Rd, Qixia District
  • Nanjing 210023
  • China
  • Phone: 86 25-85811079
  • Fax: 86 25-85811078
  • Email: 15245907739@163.com