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Synchronous RCC and TCC of the Kidney in a Patient With Multiple Recurrent Bladder Tumors.

Development of concomitant renal TCC and RCC is an uncommon occurrence, yet many interesting issues can be addressed with this model. The possibility of misdiagnosing a renal TCC for an RCC, the options and importance of treating a retained ureteral stump after performing a radical nephrectomy for a renal TCC, and the risk of developing lower tract TCC in patients with upper tract TCC are some of the issues raised in this case review.