ERBB2 and neoplasm: β1 integrin positive tumors did not correlate with tumor size, pathologic stage, age, menstrual status, lymph node status and tumor grade but presented a close relation with death and metastasis (p = 0.001 and p = 0.05, respectively) as well as with HER-2 (p = 0.019) and VEGF (p = 0.011).