Table 1

Clinicopathological parameters of the tumor set

Number of cases%
Total number201100
HistologyInvasive ductal carcinomas16381.1
Invasive lobular carcinomas2110.4
Mixed (ILC and IDC)10.5
Invasive carcinomas
 Mucinous84
 Tubular31.5
 Papillary10.5
 Medullary21
 Adenoid-cystic21
pT stagepT112763.2
pT25828.8
pT373.5
pT494.5
Nodal statuspNx31.5
pN09446.8
pN18642.8
pN2188.9
Stage (UICC)I9647.8
II7436.8
III3115.4
Tumor gradeG14723.4
G210451.7
G35024.9
Age<6010552.2
>=609647.8
Adjuvant therapy (n = 189)None/radiotherapy4924.4
Chemotherapy only3617.9
Tamoxifen/±chemotherapy10451.7
Estrogen receptor (n = 181)Negative5731.5
Positive12468.5
c-erbB2 (n = 168)0, 1+12172
2+, 3+4728