The MSS tumours (median log 2, 8.6) showed a 2.3-fold log 2 increase (P<10−7) of DHHC9 transcript when compared to normal mucosa, while MSI tumours (median log 2, 7.3) showed a 1.0-fold log 2 increase (P<10−4). The gene discussed is ZDHHC9; the disease is neoplasm.