Methods: The correlation of FOBT with gross blood stool, carcinoembryonic antigen (CEA), tumor site, histopathologic type and the stage of tumor was analyzed in 382 patients with colorectal cancer.

方法：对382例结直肠癌患者粪便隐血试验与肉眼血便、癌胚抗原（CEA）、肿瘤部位、病理分型、肿瘤分期的关系进行分析。

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Objective to appraise the value on combined detection of telomerase activity (TA), DNA aneuploid and carcinoembryonic antigen (CEA) for the laboratory diagnosis of malignant pleural effusion.

目的评价联合检测胸腔积液中端粒酶活性(TA)、DNA异倍体和癌胚抗原(CEA)对实验诊断恶性胸腔积液的价值。

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Objective To explore the diagnostic value of lung cancer of serum ferritin (SF), carbohydrate antigen (CA-199) and carcinoembryonic antigen (CEA) in bronchoalveolar lavage fluid (BALF) and serum.

目的探讨支气管肺泡灌洗液(BALF)、血清中铁蛋白(SF)、糖链抗原199 (CA - 199)和癌胚抗原(CEA)测定对肺癌的诊断价值。

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