Urologic oncology
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To investigate the prognostic effect of the International Metastatic Renal Cell Carcinoma Database Consortium (IMDC) model reclassification after targeted therapy administration in metastatic renal cell carcinoma (mRCC). ⋯ Approximately a quarter of the mRCC patients are classified into different risk groups of the IMDC model following targeted therapy administration in the first-line and second-line settings. There is a significant difference in overall survival of subgroups after the IMDC model reclassifications.