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The management of low-grade dysplasia (LGD) in ulcerative colitis (UC) patients remains unclear.The aim of our study was to study the risk of progression of LGD to advanced neoplasia (AN), defined as high-grade dysplasia (HGD) or colorectal cancer (CRC) for UC patients undergoing surveillance based on location and morphology of LGD.997 UC patients underwent 3152 surveillance colonoscopies from 1998...
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