International journal of urology : official journal of the Japanese Urological Association
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To examine the prognostic role of the pretreatment aspartate transaminase/alanine transaminase or De Ritis ratio in patients with metastatic renal cell carcinoma receiving first-line systemic tyrosine kinase inhibitor therapy. ⋯ Our findings show that the pretreatment De Ritis ratio can provide valuable information about the survival outcomes of metastatic renal cell carcinoma patients receiving first-line tyrosine kinase inhibitor therapy.