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. Here, KRT20 is linked to neoplasm.