|Poll|June 26, 2015

Kidney Mass Found in a 63-Year-Old Man

A 63-year-old man presents with a mass in the left kidney. After further evaluation, a biopsy is performed. What is your diagnosis?

A 63-year-old man presents with a mass in the left kidney. According to the histopathology image below, what is your diagnosis?

What is your diagnosis?

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