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Review Outlines Advances and Challenges to Colonoscopy QualityA new article in Gastrointestinal Endoscopy Clinics of North America outlines current advances, challenges, and best practices for high-quality colonoscopy, noting that colorectal cancer remains the third most common cancer by incidence and second most common cause of cancer-related death in the United States. (Gastrointestinal Endoscopy Clinics of North America)