Establishment and validation of novel MRI radiomic feature-based prognostic models to predict progression-free survival in locally advanced rectal cancer oleh Fei Xie, Qin Zhao, Shuqi Li, Shuangshuang Wu, Jinli Li, Haojiang Li, Shenghuan Chen, Wu Jiang, Annan Dong, Liqing Wu, Long Liu, Huabin Huang, Shuoyu Xu, Yuanzhi Shao, Lizhi Liu, Lizhi Liu, Li Li, Peiqiang Cai