Table 1.

Characteristics of patients included in the study

Variables	Number	Percent (%)
Number of patients	121
Age
Oct-4 positive	63	52.1
Size of tumor
T1 (Tis)	73	60.3
T2	45	37.2
T3	3	2.5
Pathology classification
DCIS	25	20.7
IDS	85	70.2
Mucinous carcinoma	9	7.4
Paget’s disease	2	1.6
ER positive	65	53.7
PR positive	52	43.0
HER2/neu expression (3+)	10	8.3
Histological grade
I	20	16.5
II	89	73.6
III	12	9.1
Metastasis
pN0	83	68.6
pN1	33	27.3
pN2	5	4.1