Table 1.

Clinicopathological features of the study population

Clinicopathologic Characteristics
Age at diagnosis (years)
Median (range)	62 (30–80)
Histology (n (%))
Ductal	44 (90%)
Lobular	5 (10%)
Histologycal grade (n (%))
I and II	39 (80%)
III	10 (20%)
UICC stage (n (%))
IIB	6 (12%)
IIIA + IIIB	11 (22%)
IV	32 (65%)
ER status (n (%))
positive	49 (100%)
negative	0 (0%)
PR status(n (%))
positive	33 (67%)
negative	16 (33%)
HER2 status (n(%))
positive	8 (16%)
negative	41 (84%)

Abbreviations: ER estrogen receptor, PR progesterone receptor, HER2 erb-b2 receptor tyrosine kinase 2, UICC Union for International Cancer Control