Figure 6From: Low temperature of radiofrequency ablation at the target sites can facilitate rapid progression of residual hepatic VX2 carcinomaImmunohistochemical staining for MMP-9, VEGF and PCNA in residual hepatic VX2 carcinoma tissues. Original magnifications: MMP-9 and VEGF, ×400; PCNA, ×200. A, control group; B, group I; C, group II; D, group III.Back to article page