PN 009 Clinical questions to be addressed: Who should get standard colonoscopy, and who can we screen with virtual colonoscopy? What is the evidence-based approach to surveillance for colorectal cancer? Is screening and surveillance for Barrett's esophagus a cost-effective strategy? Is there evidence to support ablation of Barrett's mucosa? How do we manage the incidental pancreatic and liver lesions found on screening CT exams? Do all incidental pancreatic lesions need further work-up? Should we be screening certain high-risk populations for pancreatic cancer?