What sort of disorder is an esophagus disorder?

Swallowing. Esophageal disorders, and there are many, effect the acts related to swallowing.
Food pipe dysfunctio. The esophagus connects the back of the throat to the stomach. Any dysfunction disturbs the flow of food down this pipe. This includes muscle disorders (e.g. Scleroderma), trauma (e.g. Alkali burns), erosion (e.g. Gastric acid reflux), and growths (e.g. Cancer). If you have a history of trauma or have trouble swallowing, see your gastrointestinal doctor to have it evaluated.