Objective:To research the expression level of klk7 and E-cad in serum in patients with gastric cancer and to explore the relationship of klk7 and E-cad with gastric cancer clinical pathological characteristics.Method:50 cases of patients with gastric cancer and 50 cases of benign gastric disease patients and 50 healthy persons were named as the experimental group,benign gastric disease group and healthy group.The experimental group,24 patients met the conditions agreed to surgery underwent gastrectomy were ...