GPT and renal cell carcinoma: For instance, the results from Tan et al. showed that AST/ALT ratio over 2.0 was an independent prognosticator of poor survival in patients with distal cholangiocarcinoma, [28], and Bezan et al. represented that preoperatively assessed De Ritis ratio (> 1.26) was significantly associated with the clinical course of patients with non-metastatic RCC [12].