Table 6. Correlation between the expression of VEGF and CD73 and prognosis.

5-year survival	VEGF				CD73
	+/++/+++	−	Sum		+/++/+++	−	Sum
Death	17	14	31		13	18	31
Survival	10	35	45		7	38	45
Total	27	49	76		20	56	76

VEGF, vascular endothelial growth factor.