The Otolaryngology-Head and Neck Surgery Department of Sanya Central Hospital (The Third People's Hospital of Hainan Province) was established in 1985. It has the largest number of beds and the strongest technical force in southern Hainan. It is a rotation department for the standardized training of national resident doctors. It is also an undergraduate educational hospital for Hunan University of Medicine and Hainan Medical University. It undertakes the diagnosis and treatment of various common and frequently-oc…