High Trop2 and high AREG (T+A+), high Trop2 and low AREG (T+A‐), low Trop2 and high AREG (T‐A+), low Trop2 and low AREG (T‐A‐) expression were detected, respectively, in gastric tissues, which including cancer, matched adjacent tissue, chronic gastritis, intestinal metaplasia, intraepithelial neoplasia (Fig. 1). The gene discussed is TACSTD2; the disease is intraepithelial neoplasia.