Malignant fibrous histiocytoma of the kidney.
D002292:Carcinoma, Renal Cell / Q000473:pathology; D003937:Diagnosis, Differential; D018219:Histiocytoma, Benign Fibrous / Q000473:pathology*; D006801:Humans; D007680:Kidney Neoplasms / Q000473:pathology*; D008297:Male; D008875:Middle Aged