aspergillus fungi as a cause of sinusitis. 3d showing inflammation of frontal, maxillary, and ethmoid sinuses and

maxillary sinus frontal sinusitis frontitis antrum highmore paranasal ethmoid illustration respiratory anatomy human microbial science nose acute treatment bacterial medical inflammation allergic sickness cavity closeup disease anatomical nasal adult healthy sick infection cold illness medicine bacteria headache chronic microbe macro rhinosinusitis air cells fungal fungi aspergillus fumigatus niger flavus mold immunocompromised