abnormal small intestinal microvillus morphology +
abnormal small intestine goblet cell morphology +
blunted small intestinal villi
branched small intestinal villi
atypical formation of branched tree-like structures in the tiny hair-like projections which protrude from the inside of the small intestine and contain blood vessels that capture digested nutrients that are absorbed through the intestinal wall; branching may occur in association with increased or ectopic epithelial proliferation