Furthermore, a negative correlation between AGR2 and ATF6 was also reported in TCGA, lung squamous cell carcinoma (Spearman: − 0.104, p value: 0.02) and TCGA, pancreatic (Spearman: − 0.32, p value: 5.015e-3) cancer. The gene discussed is AGR2; the disease is squamous cell lung carcinoma.