Transnasal endoscopy(TNE) is an upper endoscopy method which is performed by the nasal route using a thin endoscope less than 6 mm in diameter. The primary goal
Since laparoscopy was first used in cholecystectomy in 1987, it has developed quickly and has been used in most fields of traditional surgery. People have now a
Lower gastrointestinal bleeding(LGIB) is an important worldwide cause of morbidity and mortality in the elderly.The incidence of LGIB increases with age and cor