Table 1.

Clinical and pathological characteristics

Item	Data
Number of patients	21
Pathological stage at diagnosis [n (%)]
Stage II (T2N1M0)	12 (57)
Stage III (T2N2M0)	9 (43)
Tumor size (range) (cm)	3.4 (2-5)
Histological type
Ductal	21
Number of invaded lymph node (range)	8.8 (1-18)
Estrogen receptor status [n (%)]	11 (52)
Negative	10 (48)
Positive
Progesterone receptor status [n (%)]	8 (38)
Negative	13 (62)
Positive
CerbB2 receptor status [n (%)]
Negative	9 (43)
Positive	12 (57)