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通过对94例胃部良、恶性疾病患者血清中CA72-4水平的分析，同时与CEA比较，认为CA72－4是一个较敏感的胃癌血清肿瘤标志物，与胃癌的分期有明显的相关性。可以帮助胃癌的诊断和正确估计临床分期。与CEA联合检测可提高敏感性。
By analyzing the serum levels of CA72-4 in 94 patients with benign and malignant gastric diseases and compared with CEA, CA72-4 was considered to be a more sensitive serum tumor marker of gastric cancer, which has a significant correlation with the staging of gastric cancer. Can help the diagnosis of gastric cancer and correctly estimate the clinical stage. Combined detection with CEA can increase sensitivity.