Table 4.

Clinicopathologic features and CCR6 expression

		n (%)	Number of CCR6 expression			P
			Low	Moderate	High
Age (yrs)	<70	9 (47)	4 (44)	3 (33)	2 (22)	0.59
	≥70	10 (53)	6 (60)	2 (20)	2 (20)
Gender	Male	14 (74)	8 (57)	4 (29)	2 (14)	0.36
	Female	5 (26)	2 (40)	1 (20)	2 (40)
Location	Head/neck	3 (16)	2 (0)	0 (67)	1 (33)	0.23
	Trunk/extremities	8 (42)	2 (25)	4 (50)	2 (25)
	Feet	8 (42)	6 (75)	1 (13)	1 (13)
Tumor thickness (mm)	0.5~2.0	9 (47)	7 (77)	0 (0)	2 (22)	0.14
	>2.0	10 (53)	3 (30)	5 (50)	2 (20)
Clinical type	nodular	7 (37)	1 (0)	3 (14)	3 (86)	0.012*
	non-nodular	12 (63)	9 (75)	2 (17)	1 (8)
Sentinel lymph node	Not involved	11 (58)	8 (72)	1 (9)	2 (18)	0.097
	Involved	6 (32)	1 (17)	4 (67)	1 (17)
	Not investigated	2 (11)	1 (50)	0 (0)	1 (50)
Distant metastasis within 2 years	yes	7 (37)	2 (29)	3 (43)	2 (29)	0.16
	no	12 (63)	8 (67)	2 (17)	2 (17)

*P<0.05 between groups.