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'''Renal cell carcinoma with sarcomatoid differentiation''' is a malignant epithelial kidney tumour with malignant mesenchymal differentiation. | '''Renal cell carcinoma with sarcomatoid differentiation''' is a malignant epithelial derived [[kidney tumour]] with malignant mesenchymal differentiation. | ||
These tumours are '''not''' recognized as a distinct type of renal cell carcinoma; they are classified by the non-sarcomatous component. If a renal tumour is purely sarcomatous it is ''[[renal cell carcinoma, unclassified]]''. | These tumours are '''not''' recognized as a distinct type of renal cell carcinoma; they are classified by the non-sarcomatous component. If a renal tumour is purely sarcomatous it is ''[[renal cell carcinoma, unclassified]]''. |
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