Results:The positive rate was the highest ingastric cancer group and secondly in gastric precancerous condition group.The positive rates of superf...

• 结果:阳性率最高者为胃癌组,其次为不典型增生组,肠化生组及萎缩性胃炎组,浅表性胃炎组及正常对照组则明显低于以上各组。