Table 1 Description of the patients, and characteristics of their tumours
Tumour parameterNo.Percentage
HistologyIDC18675.9
ILC2711
Mixed249.8
Other83.3
Not assessable00
SizeT1 (<2 cm)12751.8
T2 (2–5 cm)10040.8
T3 (>5 cm)166.5
Not assessable20.8
Lymph nodesPositive15462.9
Negative8333.9
Not assessable83.3
GradeI239.4
II6928.2
III14860.4
Not assessable52
ERPositive19278.4
Negative4819.6
Not assessable52
PRPositive17571.4
Negative6526.5
Not assessable52
LVIPresent16165.7
Absent8233.5
Not assessable20.8
HER2 (IHC)Positive3213.1
Negative20583.7
Not assessable83.3
  • ER, oestrogen receptor; PR, progesterone receptor; LVI, lymphovascular invasion; HER2, human epidermal growth factor receptor 2; IHC, immunohistochemistry; IDC, infiltrating ductal carcinoma; ILC, infiltrating lobular carcinoma.