Machine Learning–Based Prediction of Disease-Free Survival in Breast Cancer Incorporating Clinical and Treatment Information: Retrospective Cohort Study With External Validation

Zhifu Chen   ^{1 *} , MD ;   Yuxuan Wu   ^{2 *} , MD ;   Li Tong   ¹ , MD ;   Ting Wu   ¹ , MD ;   Nan Zhao   ² , MD ;   Lihua Zhu   ³ , PhD ;   Yiyao Zhu   ³ , MD ;   Yan Wang   ^{3 *} , MD ;   Rui Shao   ^{1 *} , PhD ;   Yishan Huang   ^{1, 4 *} , PhD

¹ Department of Pathology, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China

² Department of Medical Records, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China

³ Department of Radiation Oncology, The Affiliated People's Hospital of Jiangsu University, Zhenjiang, Jiangsu, China

⁴ Neuroscience Center, Shantou University Medical College, Shantou, Guangdong, China

*these authors contributed equally