Table 1.

Patients and tumor characteristics.

Characteristics	No/%
All patients	39/100%
Histopathological type
DIC (ductal invasive c.)	27/69%
LIC (lobular invasive c.)	7/18%
Other	5/13%
Histological grade
G1 – good	10/26%
G2 – moderate (worse)	20/51%
G3 – poor	9/23%
Histological stage
1	9/23%
2	1/2.5%
2A	8/20.5%
2B	4/10.5%
3A	5/13%
3B	9/23%
3C	2/5%
4	1/2.5%
HER2/neu
Positive (3+)	7/18%
Negative (0,1+)	32/82%
Estrogen receptor status (ER)
Positive	26/67%
Negative	13/33%
Progesteron receptor status (PR)
Positive	16/41%
Negative	23/59%
Involvement of regional lymph nodes
Positive	23/59%
Negative	16/41%