Endoscopic sinus surgery is most commonly performed for inflammatory and infectious sinus disease. The most common indications for endoscopic sinus surgery are as follows: Chronic sinusitis refractory to medical treatment Recurrent sinusitis Nasal polyposis Typically, endoscopic sinus surgery is reserved for patients with documented rhinosinusitis, based on a thorough history and a complete physical examination, including CT scans if appropriate, and in whom appropriate medical treatment has failed. Consult Ent surgeon for further details and cost...