Objective:To establish a lung metastasis mouse model of clear cell renal cell carcinoma (CCRCC) and screen for lung metastasis CCRCC cell line,so as to lay a foundation for future study.

• 目的:建立可稳定传代的肾透明细胞癌小鼠肺转移模型，并在此基础上初步筛选出肾透明细胞癌特异性鼠肺转移细胞亚株，为后续研究奠定基础。