Table 1

Clinicopathological characteristics of 483 invasive breast cancer patients studied for expression of selected membrane markers
Feature Grouping N or value %
Age (years) Mean 60
Range 28 to 88
Histological type Invasive ductal cancer 319 66.0
Invasive lobular cancer 126 26.1
Others 38 7.9
Tumor size (cm) ≤2 206 42.7
>2 and ≤5 219 45.3
>5 49 10.1
Not available 9 1.9
Histological grade 1 89 18.4
2 169 35.0
3 219 45.4
Not available 6 1.2
Lymph node status Negative * 225 46.6
Positive ** 232 48.0
Not available 26 5.4

*: negative = N0 or N0(i+); **: positive = ≥N1mi (according to TNM 7th edition, 2010).

Vermeulen et al.

Vermeulen et al. BMC Cancer 2012 12:240   doi:10.1186/1471-2407-12-240

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