“…COX-2 can have a role in tumor metastasis via epithelial-to-mesenchymal transition (EMT) (21). A recent pilot study aiming to evaluate the impact of perioperative combined COX-2 and beta-adrenergic blockade in colorectal cancer patients undergoing curative surgery revealed improvements in 5-year disease-free survival (22). In coherence with the above reports, our study also determined the upregulated expression level of COX-2 in colon tumors.…”