S100A9 and neoplasm: Univariate analysis showed that serum-alpha fetal protein (AFP), -carcino embryonic antigen (CEA), -carbohydrate antigen 199 (CA199), -albumin (ALB), -gamma-glutamyl transferase (GGT), -alanine transaminase (ALT), -alkaline phosphatase (ALP), tumor size, tumor number, micro-vascular invasion, tumor-nodes-metastases (TNM), MRP8 number, MRP8 ratio, MRP14 number, MRP8 ratio, and combined MRP8/MRP14 ratio were predictors for OS in a combined primary and testing cohort.