Colonoscopy vs sigmoidoscopy: new studies fuel ongoing debate.

Abstract

Mounting evidence shows that colorectal screening reduces cancer incidence and mortality, but scientists still disagree about the best way to look for risky polyps. Clinicians in the US favor colonoscopy, while European health systems rely far more on flexible sigmoidoscopy–a cheaper, less invasive method that can be performed without sedation, but that… (More)

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