Table 5. Association between COX-2 methylation and clinicopathological parameters in 120 cases of gastric carcinoma.
IHC, immunohistochemistry; (−), negative expression; (+), positive expression of COX-2 protein; M, methylated; U, unmethylated case; MSP, methylation-specific polymerase chain reaction; PS, pyrosequencing; LN, lymph node.
