Figure 3From: Expression of CD80 and CD86 costimulatory molecules are potential markers for better survival in nasopharyngeal carcinomaPositive membrane staining of HLA-DR in undifferentiated carcinoma, 400 × (A); negative staining of HLA-DR in carcinoma cellsand dispersed lymphocytes with HLA-DR expression, 400 × (B).Back to article page