CEACAM5 and neoplasm: The results of univariate analyses and multivariate analysis with backward elimination are summarized in Table 4 In univariate analyses, bilobed tumour (P = 0.010), tumour size > 30 mm (P = 0.009), number of tumours > 3 (P = 0.026), other-organ metastasis at hepatectomy (P < 0.001), CEA > 10 ng/dl (P = 0.001), postoperative complications of Clavien-Dindo grade 3 or worse (P < 0.001), and the H group (P < 0.001) were significantly associated with poor OS.