Table 2.

Expressions of VEGF, bFGF and MVD in liver metastasis liver tissues (n=12, x̅±s)

Group	MVD	VEGF (PU)	bFGF (PU)
Control	33.84±7.56	18.04±4.20	16.42±4.64
5-Fu	29.65±6.32	14.32±4.33	12.05±3.86
SU6668	18.24±5.06	10.18±2.44	9.66±3.20
Combined	12.22±3.48	7.20±1.98	7.08±2.34

Footnotes: MVD: microvessel density; VEGF: vascular endothelial growth factor; PU: positive unit; bFGF: base fibroblast growth factor.