To evaluate the prognostic impact of the protein expression of both PBRM1 and BAP1 in metastatic tissue of patients with metastatic clear cell renal cell carcinoma (ccRCC).
In all 124 consecutive cases of metastatic ccRCC, who underwent metastasectomy or biopsy of metastatic tumor tissue between 2007 and 2016 were selected from the medical records of our institution.