Previous studies focused on detecting several tumor‐specific genes, such as CEA, CA12‐5, CK20, Ber‐EP4, MMP‐7, Survivin, MUC2, IL‐17, FABP1, TFF1, and MASPIN.8, 9, 10, 11, 12, 13, 14, 15. The gene discussed is FABP1; the disease is neoplasm.