Fig. 4From: Clear cell renal cancer metastasis in the contralateral ureter: a case reportHistological sections. a Cross section of tumor renal resection specimen. b Renal clear cell carcinoma at higher magnification with clear cell morphology (left) and abrupt transition to sarcomatoid morphology (right). c Cross section of ureter resection specimen. d The metastasis to the ureter shows typical clear cell morphologyBack to article page