<prompt> Indications of FESS include -CSF rhinorrheaOrbital abscessInverted papillomaAll of the above  <response>: Ans. is d i.e., All of the above Indications of FESSi Chronic bacterial sinusitis unresponsive to adequate medical treatment.ii Recurrent acute bacterial sinusitis.iii Polypoid rhinosinusitis diffuse nasal polyposis.iv Fungal sinusitis with fungal ball or nasal polypi.v Antrochoanal polyp and Ethmoid polypvi Mucocele of frontoethmoid or sphenoid sinus.vii Control of epistaxis by endoscopic cautery.viii Removal of foreign body from the nose or sinus.ix Endoscopic septoplasty.x Removal of benign tumours, e.g. inverted papillomas or angiofibromas.xi Orbital abscess or cellulitis management.xii Dacryocystorhinostomy.xiii. Repair of CSF leak.xiv Pituitary surgeryxv Optic nerve decompression.xvi Orbital decompression for Graves disease.xvii Control of posterior epistaxisendoscopic clipping of sphenopalatine artery.xviii Choanal atresia. 