ObjectiveTo evaluate the effect of interventional chemotherapy (ICT)on the expression of vascular endothelial growth factor(VEGF) and microvessel density (MVD) in rectal carcinoma.MethodsThe expression of VEGF and MVD in 34 patients of rectal cancer were determined before the ICT and 4～5 weeks after the ICT. ResultsBefore the ICT and 4～5 week after the ICT, the expressions of VEGF in the tissue of rectal cancer was 61.8%(21/34) and 32.3%(11/34) respectively(P
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