ERBB2 and neoplasm: As illustrated in Table 2, no significant (P>0.05) correlation was observed between HER-2 expression and clinicopathological parameters, including age (P=0.3525), gender (P=0.2524), histological grade (P=0.3617), infiltration level (P=0.5784), lymph node status (P=0.9927), venous (P=0.6929) and lymphatic invasion (P=0.7491), and tumor recurrence (P=0.4577).