Increased prevalence of regulatory T cells in the tumor microenvironment and its correlation with TNM stage of hepatocellular carcinoma
Xiaohong Shen(Nankai University), Na Li(Nankai University), Hui Li(Tianjin Medical University Cancer Institute and Hospital), Ti Zhang(The University of Texas MD Anderson Cancer Center), Feng Wang(The University of Texas MD Anderson Cancer Center), Qiang Li(Tianjin Medical University)