title: Rare primary renal sarcoma.
mesh_terms: D000328:Adult; D005260:Female; D005354:Fibrosarcoma / Q000473:pathology; D006801:Humans; D007668:Kidney / Q000473:pathology; D007680:Kidney Neoplasms / Q000473:pathology; D007890:Leiomyosarcoma / Q000473:pathology; D008297:Male; D009396:Wilms Tumor / Q000473:pathology