Asymptomatic kidney cancer: Kidney cancer with no clinical symptoms or signs and detected by ultrasound or CT examination, which used to be called “incidental kidney cancer”. Limited kidney cancer: T1-T2N0M0 stage kidney cancer in the 2002 version of the AJCC TNM stage, clinical stage I and II, which is customarily called “early stage kidney cancer”. Locally progressive kidney cancer: Kidney cancer with regional lymph node metastasis, renal vein aneurysm embolism, inferior vena cava aneurysm embolism, adrenal metastasis, tumor invasion of perinephric adipose tissue and adipose tissue of renal sinus without distant metastasis, which is clinically staged as stage III in the 2002 AJCC, and used to be called “locally advanced kidney cancer”. Metastatic kidney cancer: 2002 AJCC clinical stage IV kidney cancer, including T4N0M0 stage kidney cancer. Hereditary renal cancer: The onset of the disease is clearly associated with genetic inheritance, including: 1) VHL syndrome. 2) Hereditary papillary renal cancer. 2.Hereditary papillary kidney. 3.Hereditary smooth muscle tumor disease kidney cancer . 4.BHD syndrome. Renal unit preserving surgery: A general term for surgery that preserves the kidney, including partial nephrectomy, wedge nephrectomy, and renal tumor enucleation. Minimally invasive treatment: There is no strict definition of minimally invasive treatment means in the literature, and radiofrequency ablation, high-intensity focused ultrasound, cryoablation, laparoscopic radical nephrectomy or NSS are generally categorized as minimally invasive treatment.