CEACAM6 and lung adenocarcinoma: Among them, low expression of C12orf56, DLX5, DSC3, FEZF1, GSTA1, H2BC9, IGSF11 and high expression of EREG, CEACAM6, SLC34A2 in lung adenocarcinoma were found to predict poor prognosis for patients (Figure 4A).