Figure 2
Histopathological findings for the endoscopic resection on immunohistochemistry for p53 protein. (A) The cancer lesion shows diffuse positivity on p53 immunostaining. (B) The boundary between cancer and circumference mucosa is shown. The circumference mucosa adjoining to cancer does not show any dysplasia. Only a few weak positive cells are exhibited in the non-neoplasia mucosa.