<unk>  refers to bleeding from tears in the mucosa at the junction of the stomach and esophagus, usually caused by severe retching, coughing, or vomiting. It is often associated with alcoholism and eating disorders and there is some evidence that presence of a hiatal hernia is a required predisposing condition.
Mallory-Weiss syndrome
Mallory–Weiss syndrome
Plummer-Vinson syndrome
Bloom syndrome
Esophageal varices
Barrett's esophagus
Achalasia-addisonian syndrome
Johanson-Blizzard syndrome