Objective: To evaluate clinical significance of expressions of vascular endothelial growth factor(VEGF) and proliferating cell unclear antign(PCNA) in bladder cancer.

• 目的:探讨血管内皮生长因子(VEGF)和增殖细胞核抗原(PCNA)在原发性膀胱移形细胞癌中的表达及其临床意义。