Incidence and prevalence varies depending on the procedure or disease leading to<unk>  syndrome.
Gastric dumping syndrome epidemiology and demographics
Mallory-Weiss syndrome epidemiology and demographics
Plummer-Vinson syndrome epidemiology and demographics
Lactose intolerance epidemiology and demographics
Barrett's esophagus epidemiology and demographics
Dysphagia epidemiology and demographics
Pyloric stenosis epidemiology and demographics
Achalasia epidemiology and demographics