Esophageal webs or rings are thin, membranous folds of tissue that form in the esophagus. Health professionals may use both “webs” and “rings” to refer to the same structure. These structures make the ...

The esophageal sphincters are bands of muscles at the top and bottom of the esophagus — the muscular tube that passes food and drink from the mouth to the stomach. Esophageal sphincters open and close ...

The adult human esophagus is an 18- to 25-cm long muscular tube that has cervical, thoracic, and abdominal parts. The esophagus wall is composed of striated muscle in the upper part, smooth muscle in ...

Factors such as obesity, tobacco consumption, and older age can increase the risk of developing esophageal cancer. Some risk factors are within a person’s control, while others are not. Esophageal ...

Esophageal strictures are a problem commonly encountered in gastroenterological practice and can be caused by malignant or benign lesions. Dysphagia is the symptom experienced by all patients, ...