Impact of splenomegaly and splenectomy on prognosis in hepatocellular carcinoma with portal vein tumor thrombus treated with hepatectomy

Zong-Tao Chai, Xiu-Ping Zhang, Min Shao, Jian-Yang Ao, Zhen-Hua Chen, Fan Zhang, Yi-Ren Hu, Cheng-Qian Zhong, Jian-Hua Lin, Kun-Peng Fang, Meng-Chao Wu, Wan Yee Lau, Shu-Qun Cheng