Efficacy and safety of endovascular brachytherapy combined with transarterial chemoembolization for the treatment of hepatocellular carcinoma patients with type III or IV portal vein tumor thrombosis. - Li, Ling; Cheng, Niangmei; Huang, Xinhui; Weng, Xiadi; Jiao, Yubin; Liu, Jingfeng; Guo, Wuhua (World Journal of Surgical Oncology, 2022)