Internal mammary lymph node recurrence: rare but characteristic metastasis site in breast cancer

BMC Cancer

Table 3 Univariate and multivariate analysis of DFI for IMLN recurrence

Factors	N	Univariate analysis		Multivariate analysis
		Median (m)	p-value	HR	95% CI	p-value
Menopausal stastus			0.773	NS
Premenopausal	55	33
Postmenopausal	78	42
Primary tumor location			0.837	NS
Areola and inner area	61	38
Outer area	72	40
Tumor size(cm)			0.008*	0.5	0.4- 0.8	0.002*
≤2	42	49
>2	91	33
Axillary lymph node			0.070	NS
negative	62	43
positive	71	33
TNM stage			0.390	NS
I - II	104	38
III	29	29
ER/PR status			0.020*	0.6	0.4- 0.9	0.006*
Positive	78	50
Negative	55	32
HER-2 status			0.193	NS
Positive	29	26
Negative	104	42
Adjuvant chemotherapy			0.113	NS
Yes	124	36
No	9	41
Adjuvant radiotherapy for T >5 cm			0.018*	0.9	0.6- 1.3	0.463
Yes	3	56
No	4	21
Adjuvant radiotherapy for ALN ≥4			0.949	NS
Yes	20	29
No	8	26

ISSN: 1471-2407