Figure 1

Immunohistochemical staining of human ovarian cancer tissues using anti-CD8, CD57, and CD1a antibodies. They detected tumor-infiltrating mononuclear positive cells; E, intraepithelial space and S, stromal space. Arrows in the photos indicate the positive cells. Original magnification for the above three pictures is × 100, and, for the below three pictures, it is × 200.