目的：研究肿瘤相关糖类抗原199（CA199）与癌胚抗原（CEA）检测对结直肠癌的诊断价值。

Objective:To investigate the diagnostic value of CA199 and CEA in serum of patients with colorectal carcinoma.

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目的观察胰腺肿瘤介入化疗术前后相关血清肿瘤标志物糖链抗原19 9（CA19 9）、糖类抗原2 4 2（CA2 4 2 ）及癌胚抗原（CEA）的水平变化及其意义。

Objective To observe the changes of the levels of serum tumor markers, i. e. CA19-9, CA242 and CEA, and their significance during the interventional chemotherapy for pancreatic carcinoma.

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