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目的：探讨HBV感染对肺癌患者免疫功能以及肿瘤进展的影响，为临床治疗提供科学依据。方法：用比较分析方法。结果：并发HBV感染组肺癌患者的CD4细胞、CD4／CD8比值均低于对照组，淋巴结伴有癌转移比例增高，而且范围广泛。结论：HBV感染可进一步降低肺癌患者的免疫功能，并可能加速肺癌进展。
Objective: To investigate the effect of HBV infection on immune function and tumor progression in patients with lung cancer, and provide scientific basis for clinical treatment. Method: Use a comparative analysis method. RESULTS: The CD4 cells and CD4/CD8 ratios in patients with concurrent HBV-infected lung cancer were lower than those in the control group. Lymph nodes were associated with a higher proportion of cancer metastases and they were widely spread. Conclusion: HBV infection can further reduce the immune function of lung cancer patients and may accelerate the progression of lung cancer.