Table 2.

Clinical characteristics of patients with invasive breast cancer

Characteristics	Subcategories	Total samples
Age (years)	46.40±11.29	58
Tumor size (cm)	≤2	20
	2-5	33
	>5	5
Lymph node metastasis	Yes	18
	No	40
Grade	I	4
	II	15
	III	39
Stage	I	11
	II	38
	III	9
Subtypes	Luminal A	16
	Luminal B	20
	BLBC	13
	HER2+	9