B7-H4 Expression Is Associated with Tumor Progression and Prognosis in Patients with Osteosarcoma

Figure 1

Immunohistochemical staining of B7-H4 in OS tissues and normal bone tissues. (a) Negative expression in normal bone tissues. (b) Weak positive staining of B7-H4 protein in OS tissues. (c) Strong positive staining of B7-H4 protein in OS tissues (×400 magnification).

(a)

(b)

(c)