3Pantuck AJ, Zisman A, Belldegrun AS. The changing natural history of renal cell carcinoma. J Urol,2001,166 : 1611-1623.
4Surveillance, Epidemiology, End Results( SEER ) Program Public-Use Data(1973-1994) . National Cancer Institute DCCPS Surveillance Research Program,Cancer Statistics Branch, 1997.
5Jemal A, Murray T, Samuels A,et al. Cancer statistics, 2003 CA. Cancer J Clin, 2003,53:5-26.
6Stoerkel S, Eble JN, Adlakha K,et ah Classi-fication of renal cell carcinoma. Cancer,1997,80:987-989.
7Medeiros LJ, Jones EC, Aizawa S, et al.Grading of renal cell carcinoma. Cancer,1997,80:990-991.
8Hermanek P,Schrott KM. Evaluation of the new tumor, nodes, and metastases classification of renal cell carcinoma. J Urol, 1990,144:238-242.
9Guinan P, Sobin LH, Algaba F, et al. TNM staging of renal cell carcinoma. Cancer,1997.80:992-993.
10Luciani LG, Cestari R ,Tallarigo C. Incidental renal cell carcinoma--age and stage characterization and clinical implications:study of 1 092 patients ( 1982 - 1997 ). Urology ,2000,56:58-62.
