In addition, the accumulation of P53 protein in the samples with or without CGA positive tumor cells were also investigated. The postive expression of P53 and CGA in the cancerous lesions were 68 2%(30/44) and 38 6%(17/44),respectively.

• 结果显示P53、CGA阳性表达率分别为68.；2%25（30/44）和38