showed a trendP =0.074
In the univariate analyses, lymphadenectomy showed a trend of association with poor prognosis (HR, 1.46 [95% CI, 0.96–2.21]; P =0.074).
In the univariate analyses, lymphadenectomy showed a trend of association with poor prognosis (HR, 1.46 [95% CI, 0.96–2.21]; P =0.074).
This effect was extremely significant, with an 18% 1-year survival rate for patients with RCCs with sarcomatoid features after cytoreductive nephrectomy compared to 90% for patients with RCCs without sarcomatoid features.