ERBB2 and breast cancer: Furthermore, factors associated with survival including age (<50, ≥50 and <40, ≥40), median tumour size (25 mm), lymph node status, pathological stage, early stage breast cancer (ESBC) and locally advanced breast cancer (LABC), tumour grade, lymphovascular invasion, oestrogen receptor and progesterone receptor status, HER2/neu status, and molecular subtype of the patients were analysed (Table 2).