Surgical Treatment of Upper Gastrointestinal Tract Crohn Disease: A Long Way to Go to Identify the Optimal Method

Abstract

Crohn disease (CD) is one of the 2 main categories of chronic inflammatory bowel disease. CD has a multifactorial etiology of genetic factors, malfunction of the immune system, gut bacteria dysbiosis, and environmental factors [1]. The incidence of CD in Korea has steadily risen during the past few decades from 0.2 per 100,