Ki-67 index and percentage of sarcomatoid differentiation were two independent prognostic predictors in sarcomatoid renal cell carcinoma.

Cancer Manag Res · 2018 · PMC6225922 · PMID 30464630

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did not reach statistical significanceno p-value reported

Although underlying subtype of ccRCC and ncRCC and necrosis features did not reach statistical significance, the tumor features with higher proliferation rate including Ki-67 index of SD ≥30% and %SD ≥25% were associated with higher risk of death from sRCC and identified two most important independent predictors.

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