Dosimetric comparison of computed tomography-guided iodine-125 seed implantation assisted with and without three-dimensional printing non-coplanar template in locally recurrent rectal cancer: a propensity score matching study - Wang, Lu; Wang, Hao; Jiang, Yuliang; Ji, Zhe; Guo, Fuxin; Jiang, Ping; Qiu, Bin; Sun, Haitao; Fan, Jinghong; Li, Weiyan; Wang, Junjie (Journal of Contemporary Brachytherapy, 2021)