Most importantly, the GEO databases (GES71729), GEPIA, TISIDB, TIMER databases PAAD cohort were used to verify our results, the expression levels of CXCL10 and CXCL11 in pancreatic cancer and normal pancreatic epithelial cells were verified by RT-PCR. The gene discussed is CXCL10; the disease is familial pancreatic carcinoma.