Fig. 6

Immunohistochemical evaluations on the neovascularization of VX2 tumor-bearing rabbits with various treatments on day 14 (NS, lipiodol, PNF10, TGFPE). a Confocal fluorescence microscopy images of TUNEL staining, Ki67 staining, HIF-1α staining, VEGF staining and CD31 staining in the residual tumor surrounding the tumor necrosis zone (original magnification, × 400). b, c, d, e, and f are a quantitative comparison of fluorescence intensities in the slices of TUNEL staining, Ki67 staining, HIF-1α staining, VEGF staining, and CD31 staining from plot A, respectively. **P < 0.01, ***P < 0.001