An endorectal ultrasound-based radiomics signature for preoperative prediction of lymphovascular invasion of rectal cancer oleh Yu-quan Wu, Rui-zhi Gao, Peng Lin, Rong Wen, Hai-yuan Li, Mei-yan Mou, Feng-huan Chen, Fen Huang, Wei-jie Zhou, Hong Yang, Yun He, Ji Wu