METHODS: Beecher tissue arrayer was used to create tissue microarray,derived from 30 cases of gastric adenocarcinoma, and 30 corresponding normal gastric tissues were used to be the controll.

• 方法:选用胃腺癌组织30例制备组织芯片,30例正常胃组织作为对照,用免疫组化的方法观察硒蛋白P在胃腺癌组织中的表达。