CCN2 and gastric cancer: The increased expression of CTGF in human GC samples is correlated with lymph node metastases, peritoneal dissemination and poor prognosis.13, 14, 15, 16, 28 Considering the important role of CTGF in GC, RT‐qPCR and Western blot were conducted to confirm the relationship between IRF2BP2 and CTGF.