The Impact of Renal Impairment on Survival Outcomes in Patients With Metastatic Renal Cell Carcinoma Treated With Tyrosine Kinase Inhibitors oleh Haoran Zhang MD, Xingming Zhang PhD, Xudong Zhu MD, Yuchao Ni MD, Jindong Dai MD, Sha Zhu MD, Guangxi Sun PhD, Zhipeng Wang MD, Junru Chen PhD, Jinge Zhao PhD, Hao Zeng PhD, Zi Li PhD, Pengfei Shen PhD