CEACAM5 and neoplasm: The difference between age (P = 9.3 × 10−5), gender (P = 4.0 × 10−6), tumor location (P = 1.3 × 10−5), CA125 (PSCNs/MCNs= 5.1 × 10−4), CA19-9 (P = 0.044), and CEA (P = 0.001) was statistically significant among the three categories.