GPT and neoplasm: However, the expression of DPT was not associated with gender (P = 0.648), liver cirrhosis (P = 0.570), AFP level (P = 0.855), ALT (P = 0.128), AST (P = 0.144), tumor number (P = 0.206), tumor size (P = 0.993), portal vein invasion (P = 0.282) or TNM stage (P = 0.156).