Table 1.

Patient characteristics of 100 cases of invasive breast cancer.

Characteristics	Case number
Age
≤50	39
>50	61
Histologic type
Invasive carcinoma of no special type	97
Invasive lobular carcinoma	2
Metaplastic carcinoma	1
Histological grade
I	3
II	37
III	60
Clinical stage
I	28
II	57
III	15
IV	0