title: [Not Available].
mesh_terms: D003251:Constriction, Pathologic / Q000473:pathology / Q000601:surgery; D004322:Drainage / Q000379:methods*; D004724:Endoscopy / Q000379:methods; D005005:Ethmoid Sinus / Q000473:pathology / Q000601:surgery*; D005626:Frontal Sinus / Q000473:pathology / Q000601:surgery*; D006801:Humans; D007765:Lacrimal Apparatus / Q000473:pathology / Q000601:surgery; D009078:Mucocele / Q000473:pathology / Q000601:surgery; D009300:Nasal Septum / Q000473:pathology / Q000601:surgery