In the PSM cohort, univariate analysis showed that the ECOG PS score, primary tumor site, tumor grade, tumor resection, CEA, CA19-9, HDL-C, LDL-C, LDL-C/HDL-C and ApoB/ApoA-I were prognostic of OS (Figures 2C and 5). The gene discussed is CEACAM5; the disease is neoplasm.