COX-2 (PTGS2) gene methylation in epithelial, subepithelial lymphocyte and stromal tissue compartments in a spectrum of esophageal squamous neoplasia
Keywords: COX-2, cyclooxygenase-2; EDTA, ethylenediaminetetraacetic acid; ESCC, esophageal squamous cell carcinoma; HGD, high-grade squamous dysplasia; LGD, low-grade squamous dysplasia; NSAIDS, non-steroidal antiinflammatory drugs; PTGS2, prostaglandin-endoperoxid