Systemic therapy in metastatic renal cell carcinoma (mRCC): an evidence-based recommendation of the German interdisciplinary RCC guidelines group. - Grünwald, V.; Bergmann, L.; Brehmer, B.; Eberhardt, B.; Kastrati, Karin; Gauler, T.; Gehbauer, G.; Gschwend, J.; Johannsen, M.; Klotz, T.; Protzel, C.; Schenck, M.; et al. (World Journal of Urology, 2022)