| AB/PAS | Alcian Blue–Periodic Acid Schiff |
| DAB | 3,3′-Diaminobenzidine |
| FAE | Follicle-Associated Epithelium |
| FFPE | Formalin-Fixed, Paraffin-Embedded |
| GALT | Gut-Associated Lymphoid Tissue |
| H&E | Hematoxylin and Eosin |
| IHC | Immunohistochemistry |
| PAS | Periodic Acid–Schiff |
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