AchalasiaAnorectal manometryNissen fundoplicationAcute esophageal necrosisThe Society of Elite Laparoscopic Surgeons: The Society of Elite Laparoscopic Surgeons is a non-profit organization based in Chandler, AZ, existing for the purpose of promoting access to minimally invasive surgery in the United States, and to lobby and promote the transition of the US medical system to adopt minimally invasive hysterectomy as standard of care.Society of Elite Laparoscopic Surgeons The organization is made up of member gynecologic surgeons, and holds annual meetings in various locales.PeristalsisBarium sulfate suspension: Barium sulfate suspension is barium sulfate powder turned into a liquid form by suspending it in a quick-flowing drink to aid in CT scans of the gastrointestinal region.Esophageal motility disorder: An esophageal motility disorder is any medical disorder causing difficulty in swallowing, regurgitation of food and a spasm-type pain which can be brought on by an allergic reaction to certain foods. The most prominent one is dysphagia.Balloon catheter: A balloon catheter is a type of "soft" catheter with an inflatable "balloon" at its tip which is used during a catheterization procedure to enlarge a narrow opening or passage within the body. The deflated balloon catheter is positioned, then inflated to perform the necessary procedure, and deflated again in order to be removed.Esophageal disease: Esophageal diseases can derive from congenital conditions, or they can be acquired later in life.