Functional endoscopic sinus surgery (FESS) is minimally invasive surgery for serious sinus conditions. It treats chronic sinusitis and nasal polyps.

Functional Endoscopic Sinus Surgery (FESS) is the gold standard surgical treatment for Chronic Rhinosinusitis (CRS) unresponsive to maximal medical therapy. Definition: FESS is an endoscope …

Functional endoscopic sinus surgery (FESS) is a procedure that is used to treat sinusitis and other conditions that affect the sinuses. Sinusitis is an inflammation of the sinuses that can cause …

Jan 26, 2026 · What is functional endoscopic sinus surgery (FESS)? Endoscopic sinus surgery is the name given to operations used for severe or difficult to treat sinus problems.

Jan 7, 2026 · Welcome to FESS! Revolutionising your work life at Fidelity Services Group. Your new FESS App has essential key features such as access to your pay slips, time and attendance, tax …

The meaning of FESS is to own up : confess —usually used with up.

A flag which has a central horizontal stripe that is half the height of the flag is sometimes said to have a Spanish fess. The name is based on the most well-known example of this style of flag, the flag of Spain.