CEACAM5 and neoplasm: Univariate analysis to investigate the association between patients’ clinical or tumor-related characteristics and LIT level showed that LIT level was associated with age (p < 0.05), smoking status (p < 0.001), white blood cell count (p < 0.001), CEA level (p < 0.001), AFP level (p < 0.01) (Table 3), tumor stage T4 (p < 0.001), lymph node stage N1 (p < 0.01), and tumor types (Table 4).