The current tumor classification for renal cell carcinoma classifies pT2 tumors as larger than 7 cm in greatest dimension and limited to the kidney. We examined the current pT2 tumor classification of renal cell carcinoma and determined whether a tumor size cutoff exists that would improve prognostic accuracy.
Department of Urology, University of California, Los Angeles, Los Angeles, California 90095-1738, USA, and Centre Hospitalier Universitaire Pontchaillou, Rennes, France.