Significance of Serum p53 Antibody as a Tumor Marker in Colorectal Cancer

Figure 1

Immunohistochemical expression of p53. A tumor containing more than 10% brown-stained cell nuclei was considered positive. (a) Positive case: clear positive staining in 94.7% (×400). (b) Negative case: fewer positive cells and weak staining (×200).

(a)

(b)