MFN2 and clear cell renal carcinoma: In summary, we verified through the present research that low MFN2 expression is an important independent prognostic element in renal clear cell carcinoma and is significantly correlated with the proliferation and migration ability of the tumour.MFN2 can be a new prognostic marker for renal clear cell carcinoma patients.After that, we need to further investigate the mechanism of action of MFN2 in renal clear cell carcinoma.