Endoscopic Sinus Surgery Make an Appointment Patient Education Find a Doctor Download Patient Education Your doctor has suggested you have endoscopic sinus surgery as part of your treatment. Functional endoscopic sinus surgery (FESS) has become the accepted standard approach and technique when surgical treatment of sinusitis is indicated. Download PDF: Endoscopic Sinus Surgery Download PDF: Endoscopic Sinus Surgery View more information on Endoscopic Sinus Surgery National Jewish Health authors free downloadable patient education materials to provide you and your family the information and tools to help manage your disease. They include Understanding Booklets, Med Facts, Test Facts, Medication handouts and more. Search Free Education Materials