Table 1. Clinicopathological characteristics of patients with breast cancer.

	Case (n)
Age, years
<50	15
≥50	12
Tumor size, cm
<2	10
≥2	17
Lymph node infiltrated
No	17
Yes	10
TNM stage
Stage I/II	18
Stage III/IV	11
Pathological grade
G1	7
G2	11
G3	9
ER status
Negative	5
Positive	22
PR status
Negative	9
Positive	18
HER2 status
Negative	10
Positive	17

TNM: Tumor-Node-Metastasis; ER: estrogen receptor; PR: progesterone receptor; HER2: receptor tyrosine-protein kinase erbB-2.