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Retrospective Cohort Study
©The Author(s) 2025.
World J Gastrointest Endosc. Dec 16, 2025; 17(12): 114581
Published online Dec 16, 2025. doi: 10.4253/wjge.v17.i12.114581
Table 1 Classification of internal hemorrhoids according to Dennison
Classification

Grade IBleeding during evacuation, without prolapse
Grade IIProlapse during evacuation with spontaneous return, with or without bleeding
Grade IIISpontaneous prolapse or during evacuation, with manual reduction, with or without bleeding
Grade IVExternalized and irreducible, and ischemia, thrombosis or gangrene may occur, with or without bleeding


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