S100A9 and neoplasm: Our results found novel cutoff points, such as serum-AFP of 7.5 ng/ml, -CEA of 5.2 ng/ml, -CA199 of 40 U/L, -ALB of 37.3 mg/ml, -GGT of 54 U/L, -ALT of 50 U/L, -ALP of 113 U/L, tumor size of 4 cm, MRP8 number of 8, MRP8 ratio of 0.0498, MRP14 number of 5, and MRP8 ratio of 0.0025.