Esophagogastric ring; Schatzki's ring. A lower esophageal ring is a birth defect of the esophagus that occurs in a small number of people. It causes narrowing of the lower esophagus. Narrowing of the esophagus may also be caused by: Injury. Tumors.
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Adorable animal families that will make you aww. Post earrings are a style of earrings with a straight post that goes through the ear and a removable backing to go over the post and hold it in place at the back of the ear. This is as opposed to hook earrings, which are thin wires that go through the ear, but typically do not feature a backing.