Gautam, NPradhan, BThapa, NHiraSharma, A2026-04-082026-04-082018https://hdl.handle.net/20.500.14572/5724Gautam N1, Pradhan B, Thapa N2, Hira2, Sharma A2 1Tribhuvan University Teaching Hospital, Ganesh Man Singh Memorial Academy of ENT-HN Studies, Maharajgunj, Kathmandu, Nepal 2Tribhuvan University Teaching Hospital, Department of Anesthesiology, Maharajgunj, KathmanduAbstract Triple vessel disease, a coronary artery diseasecaused by narrowing of plagues which is cholesterol deposit on the vessel wall resulting abnormal and gradual ticking-off the lining of the heart arteries condition known as atherosclerosis. The narrowing usually develops slowly over many years. Thishigh-risk case was operated by the team in TUTH ENT Operation theater. We report a 75-year-old man with triple vessel diseasewith diagnosisof right allergic fungal rhinosinusitis with left deviated nasal septumsuccessfully undergone right Functional Endoscopic Sinus Surgery and recovered. It had emergent condition. Keyword: FESS :Functional Endoscopic sinus surgeryen-USFESS :Functional Endoscopic sinus surgeryArticle