目的探讨联合检测血清中肿瘤标志物甲胎蛋白（AFP）、癌胚抗原（CEA）、糖类抗原125（CA125）、CA19-9对消化系恶性肿瘤的诊断价值。

Objective To explore the clinical value of combined detection of alpha fetoprotein(AFP), carcinoembryonic antigen(CEA), CA125 and CA19-9 in the diagnosis of malignant tumors in digestive system.

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目的探讨联合检测血清癌胚抗原(CEA)、糖类抗原724 (CA724)对胃癌的诊疗意义。

Objective To explore the clinical significance of combined detection of serum carcinoembryonic antigen (CEA) and CA724 in the diagnosis and treatment of gastric cancer.

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目的探讨联合检测血清癌胚抗原(CEA)、糖类抗原724 (CA724)对胃癌的诊疗意义。

Objective To explore the clinical significance of combined detection of serum carcinoembryonic antigen (CEA) and CA724 in the diagnosis and treatment of gastric cancer.

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