Pro-oncogenic cytokines and growth factors are differentially expressed in the post-surgical wound fluid from malignant compared to benign breast lesions

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Table 1 Patient characteristics

	Benign		Malignant
	No.	(%)	No.	(%)
No.	24	40.7	35	59.3
Age, years
<55	19	79.2	8	22.9
≥55	5	20.8	27	77.1
Tumor size	N/A
pT1 (≤2 cm)			28	80
pT2 (2–5 cm)			5	14.3
pT3 (>5 cm)			2	5.7
Lymph node status	N/A
Negative			29	85.3
Positive			5	14.7
Histological grade	N/A
1			6	18.2
2			18	54.5
3			9	27.3
Estrogen receptor status	N/A
Negative			2	5.9
Positive			32	94.1
Progesterone receptor status	N/A
Negative			4	11.8
Positive			30	88.2
HER2 status	N/A
0			5	15.2
1+			22	66.7
2+			5	15.2
3+			1	3