Background Allergic fungal sinusitis (AFS) is considered a different disease from other polypoid chronic rhinosinusitis diseases (CRS) with eosinophilic mucus (EM) termed eosinophilic mucus chronic rhinosinusitis (EMCRS). To substantiate this. studies on cellular responses to fungi and sinus mucosal inflammatory cell populations in AFS and other EMCRS diseases are. required. https://foldlyers.shop/product-category/banjo-strings/