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Histological Comparison of Forceps Biopsy Specimens and Resected Specimens
LGD, low-grade dysplasia; HGD, high-grade dysplasia; CIS, carcinoma in situ; WD, well differentiated; MD, moderately differentiated. *Concordant or down-graded histology (CDH) group; †Up-graded histology (UH) group.
