Chronic fibrosis of the subglottic space and possibly the paranasal sinuses and tympanic cavities.
D000328:Adult; D002908:Chronic Disease; D004427:Ear Diseases / Q000473:pathology*; D004432:Ear, Middle; D005260:Female; D006097:Granulation Tissue; D006801:Humans; D007829:Laryngostenosis / Q000473:pathology*; D008297:Male; D008443:Maxillary Sinus; D008875:Middle Aged; D010256:Paranasal Sinuses; D012140:Respiratory Tract Diseases / Q000473:pathology*