A 45-year-old man has an 8-year history of moderate-to-severe chronic ulcerative colitis (UC), managed with biologics and with good symptom control. He has no other notable medical or surgical history. His last colonoscopy was performed 1 year ago, with random biopsies demonstrating low-grade dysplasia. The patient is concerned about the development of colorectal cancer due to his history and is here for surveillance endoscopy. What is the best next step in this patient’s management?
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