A: Clear cell carcinoma in kidney in high concentration of uranium 4X. B: renal cell carcinoma (a) clear cell cytoplasm with minimal pleomorphism (not high grade with thin (b) fibrovascular stroma and (c)infiltration of inflammatory cells in high concentration of uranium 40X. C: Fatty tissue invaded by renal cell carcinoma (a) tumor cell (b) fatty cell 4X. D: Renal cell carcinoma with sarcomatoied component (differentiation cell int connective tissue tumor sarcoma like) 4X.