Clear Cell Renal Cell Carcinoma in a 60-Year-Old Man Arising From Congenital Left-Sided Ectopic Right Kidney (Crossed Fused Renal Ectopia) With Invasion Into the Contralateral Kidney
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BACKGROUND Crossed fused renal ectopia (CFRE) is an uncommon congenital renal anomaly in which 1 kidney crosses the midline and fuses with the contralateral kidney. Although CFRE is often asymptomatic, its rare association with renal malignancy poses substanti... ...
