Table 2.

Clinical specimens'information

Factor	Value	N	%
Total Patients	N	40	100
Patient Sex	Female	18	45
	Male	22	55
Age at Trial Start (years)	Mean(range)	51.63(38-73)	-
Lymph node biopsy	Lymph node metastasis(-)	19	47.5
	Lymph node metastasis(+)	21	52.5
CCR7 expression level	High	24	60
	Low	16	40