Supplementary Table 1. Correlation between rs17576 genotype (MMP-9) and clinical features.

Features		Alleles			p
		AA	AG	GG
Stage	1	5	3	4	0.966
	2	19	15	1
	3	10	7	5
Metastasis	Yes	10	10	2	0.928
	No	25	16	8
Lymph node metastasis	Yes	14	11	5	0.605
	No	21	15	5
Lymphatic invasion	Yes	15	10	2	0.237
	No	20	16	8
Blood vessel invasion	Yes	4	2	0	0.265
	No	31	24	10
Estrogen receptor	Negative	6	9	2	0.446
	Positive	28	18	8
Progesterone receptor	Negative	9	9	2	0.987
	Positive	26	17	8
Recurrence	Yes	18	12	2	0.117
	No	17	14	8