AFP and laryngotracheoesophageal cleft: As shown in Table 2, the mean serum levels of AFP were significantly higher in HCC, LC, and HCV (255.8 ± 48.43, 21.25 ± 5.97, and 13.51 ± 3.27) than NC group (3.34 ± 0.41) (P = 0.001).