Objective To study the expression and clinical significance of tenascin C(TN-C) in rectal cancer and gastric cancer.Methods Immunohistochemistry technique was used to exam the expression of TN-C in 34 cases of rectal cancer and 29 cases of gastric cancer tissue.The correlation between TN-C expression and clinicopathologic stage in rectal cancer and gastric cancer was analyzed.Results All 34 cases of rectal cancer tissues and 29 cases of gastric cancer expressed TN-C.The expression of TN-C gradually increase...