Optimization of Management for Sporadic Bilateral Renal Cell Carcinoma

Sporadic bilateral renal cell carcinoma (BRCC) is a rare situation of RCC. The treatment for BRCC is controversial and there is a lack of authoritative guidelines about the management of BRCC. The goal of this cohort study is to identify prognostic factors, construct predictive nomograms, and optimize management for sporadic BRCC patients. The main questions it aims to answer are: What are the factors influencing the prognosis of BRCC patients? What's the appropriate treatment for BRCC patients? Researchers will analysis the prognostic factors and compare the prognosis of BRCC patients receiving different treatments.