GPT and gastric cancer: Elevated ALP,12, 13, 14, 15, 16, 17, 18 higher AST/ALT ratio,25 decreased albumin,14, 15, 16, 17 high serum total bilirubin14, 16, 19 as well as high serum GGT26 were shown to be as independent poor prognostic factors of gastric cancer and incorporated into several prognostic models.