<unk>  is a disorder of the tube that carries food from the mouth to the stomach (esophagus), which affects the ability of the esophagus to move food toward the stomach.
Achalasia
Nutcracker esophagus
Barrett's esophagus
Diffuse esophageal spasm
Esophageal candidiasis
Esophageal stricture
Esophageal cyst
Eosinophilic esophagitis