Fig. 2From: Impact of sarcomatoid differentiation and rhabdoid differentiation on prognosis for renal cell carcinoma with vena caval tumour thrombus treated surgicallyKaplan–Meier curves of progression-free survival for patients with pure renal cell carcinoma (RCC) vs RCC with sarcomatoid differentiation (a) and pure RCC vs RCC with rhabdoid differentiation (b)Back to article page