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©The Author(s) 2026.
World J Gastroenterol. Jan 14, 2026; 32(2): 111996
Published online Jan 14, 2026. doi: 10.3748/wjg.v32.i2.111996
Table 5 Grade system for graft-vs-host disease
GVHD
Grade 1
Grade 2
Grade 3
Grade 4
Description[156,157]isolated apoptotic epithelial cells, without crypt lossloss of isolated crypts, without loss of contiguous cryptsloss of 2 or more contiguous cryptsextensive crypt loss with mucosal denudation


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