Change of tumor-infiltrating lymphocyte of associating liver partition and portal vein ligation for staged hepatectomy for hepatocellular carcinoma

Table 6 Comparison of tumor-infiltrating lymphocyte subpopulations between tumor and adjacent tissues in right hemi-hepatectomy group

	Right hemi-hepatectomy
	Tumor tissues	Adjacent tissues	P valve
Total T cells (%)	2.8 ± 1.8	1.8 ± 1.3	0.105
CD4+ T cells (%)	0.9 ± 0.5	0.9 ± 0.7	0.840
CD8+ T cells (%)	0.6 ± 0.4	1.0 ± 0.7	0.101
Treg cells (‰)	0.3 ± 0.1	0.0 ± 0.0	0.043
B cells (%)	2.1 ± 0.8	1.7 ± 0.5	0.645
NK cells (%)	0.7 ± 0.2	0.8 ± 0.7	0.678

NK: Natural killer.