This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Unknown
[{'content': 'A pregnant female 28 years complains of hematemesis after an episode of vomiting, on upper GI endoscopy this is the appearance, what is the most common site of this condition? \nSelect and explain. \nA. Just below the Gastroesophageal junction, B. Cardia, C. Lower 1/3 of the esophagus, D. Lesser curvature of stomach', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A Just below the Gastroesophageal junction Ref- Mallory-Weiss Left and Right: A linear mucosal laceration caused by the force of vomiting, generally at or just below the esophagogastric junction, resulting in bleeding. Seen here is an elliptical-shaped mucosal tear which has stopped bleeding, from the forward view (on the left) and from the retroflexed position (on the right). Image Source-', 'role': 'assistant'}]