Table 4. Multiple analysis of CCR7 expression associated with overall survival.

Variables	Overall Survival
	HR	95%CI	P
Lymphatic invasion (negative v positive)	2.025	1.073–4.626	0.031
Lymph node metastasis (negative v positive)	2.298	1.412–6.355	0.025
T Classification (T1T2 v T3T4)	5.284	1.968–12.031	0.008
CCR7 expression (low v high)	2.896	1.385–7.276	0.023