虽然pcna表达与食管癌放射治疗后局部控制率和总体生存率无显著相关，但由于病例数较少，须扩大样本量进一步研究。
Although no correlation between PCNA and local control or overall survival rate is found, further study is still needed because of the limited cases alloted.
虽然pcna表达与食管癌放射治疗后局部控制率和总体生存率无显著相关，但由于病例数较少，须扩大样本量进一步研究。
Although no correlation between PCNA and local control or overall survival rate is found, further study is still needed because of the limited cases alloted.
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