Bleeding at the gastroesophageal junction.
D004724:Endoscopy; D004932:Esophageal and Gastric Varices / Q000150:complications / Q000175:diagnosis; D004941:Esophagitis / Q000150:complications / Q000175:diagnosis; D004943:Esophagogastric Junction; D005756:Gastritis / Q000150:complications / Q000175:diagnosis; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D008309:Mallory-Weiss Syndrome / Q000150:complications / Q000175:diagnosis