Figure 3
Ki-67 immunohistochemistry of the parental tumors and xenografts of the NMFH-1 and NMFH-2 cells. Regarding the parental tumors and xenografts, focal reactivity was present in multinucleated cells (long arrow) as well as the mononuclear cells (short arrow). A: The parental tumor of NMFH-1 cells B: The parental tumor of NMFH-2 cells. C: Xenograft of NMFH-1 cells D:Xenograft of NMFH-2 cells (magnification, × 200).