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A report details clear cell renal cell carcinoma originating from a congenital ectopic kidney, suggesting unusual cancer behavior.
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 - Article abstract #952016
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Said et al. (2026) studied this question.
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