Figure 1From: p53 protein accumulation predicts resistance to endocrine therapy and decreased post-relapse survival in metastatic breast cancerRepresentative immunohistochemical staining of HER2, p53, and Ki67 in invasive ductal carcinoma. (a) Negative staining of HER2. (b) Positive staining of HER2. (c) Negative staining of p53. (d) Positive staining of p53. (e) Negative staining of Ki67. (f) Positive staining of Ki67.Back to article page