This Javascript code is not necessary to use the site. A ring of tissue located at the junction of the esophagus and the stomach. Esophageal rings may also occur as a result of drinking a caustic material and subsequent scar formation. The condition may produce swallowing difficulties . Reflux does usually not occur with this condition.
Risk factors are unknown.
The incidence is 4 out of 10,000 people. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Inc. Any duplication or distribution of the information contained herein is strictly prohibited. Rockville Pike, Bethesda, MD 20894 Copyright and Privacy Policy , We welcome your comments.