Hypertrophy of the gastric mucosa is an increase in the thickness of the mucous walls of the organ. There are diffuse and local hypertrophy. The disease manifests itself in the form of an unpleasant sour taste, vomiting, and digestive disorders (heartburn, constipation). Treated surgically. There are also forms of the disease such as achalasia of the esophagus, megarectum, megaesophagus.