ERBB2 and neoplasm: High expression of ezrin was associated with larger tumour size (χ2 = 4.921, d.f. = 1, p = 0.027), higher tumour grade (χ2 = 16.290, d.f. = 2, p < 0.001), worse NPI prognostic group (χ2 = 8.991, d.f. =2, p = 0.011) and HER2‐positive status (χ2 = 11.675, d.f. = 1, p = 0.001).