|Poll|May 28, 2014

67-Year-Old Man Presents With Abdominal Pain & Bloody Stools

A 67-year-old man presents with abdominal pain and bloody stools. Diagnostic imaging reveals the presence of a mass in the right colon and a solitary mass in the liver. Sections of the colon mass and liver are shown. What is your diagnosis?

What is your diagnosis?

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