Unclassified renal cell carcinoma: impact on survival following nephrectomy.

  title={Unclassified renal cell carcinoma: impact on survival following nephrectomy.},
  author={Paul Crispen and Mitra R Tabidian and Cristine Allmer and Christine Marie Lohse and Rodney H Breau and Michael L. Blute and John C. Cheville and Bradley C. Leibovich},
  volume={76 3},
OBJECTIVES To evaluate the impact of the category of unclassified renal cell carcinoma (URCC) on survival following nephrectomy. METHODS Patients with clear cell RCC (ccRCC, n = 3048) and URCC (n = 38) were identified. Patients with URCC were matched 4:1 with ccRCC patients based on year of surgery, symptoms at presentation, tumor size, stage, regional lymph node involvement, metastases, grade, coagulative tumor necrosis, and sarcomatoid differentiation. Survival was estimated using the… CONTINUE READING


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