肾细胞癌是泌尿生殖系常见的恶性肿瘤,大约占所有恶性肿瘤的3.5%。由于现代影像学技术的发展,具有可触及的腰部肿块、肉眼血尿、腰部疼痛或是体重下降明显等典型临床表现的肾癌病例逐渐减少~([1])。目前大多数就诊患者无明显症状,多为体检或因其他疾病就诊时偶然发现。根据肿瘤进展将肾癌分为局限性肾癌、局部进展性肾癌及转移性肾癌。局部进展性肾癌是指伴有区域 Renal cell carcinoma is a common malignant tumor of the genitourinary tract, accounting for about 3.5% of all malignancies. Due to the development of modern imaging techniques, the number of cases of renal cell carcinoma with typical clinical manifestations such as palpable lumbar mass, gross hematuria, lumbar pain or weight loss is gradually decreased ([1]). At present, most of the patients have no obvious symptoms, mostly for medical examination or accidental finding due to other diseases. According to the progress of renal cancer will be divided into localized renal cell carcinoma, locally advanced renal cell carcinoma and metastatic renal cell carcinoma. Localized renal cell carcinoma is associated with the area