This article is to evaluate the role of DCC gene alteration in the development and progression of gastric cancer, as well as to correlate with its prognosis.

• 为了解DCC基因改变在胃癌发生发展中的作用及与临床预后的关系,本文对45例手术切除胃癌组织DCC基因杂合性缺失进行分析。