– University of North Carolina men’s basketball coach Roy Williams had a biopsy of the tumor on his left kidney Wednesday at UNC Hospitals. The results of the biopsy indicate it is an oncocytoma (pronounced ON-ko-sigh-TOE-muh), a non-cancerous kidney tumor.

Williams had surgery to remove a tumor from his right kidney on September19th, which was also an oncocytoma, often indistinguishable from kidney cancer on x-rays.

Dr. Eric Wallen, professor of urology at UNC, says as a result of the biopsy, Coach Williams will not require surgery on the left kidney.

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