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: Surgery
[{'content': 'An old man presenting to the Emergency following a bout of prolonged vomiting with excessive haematemesis following alcohol ingestion is likely to suffer from - \nSelect and explain. \nA. Mallory-Wesis syndrome, B. Oesophageal varices, C. Gastric cancer, D. Bleeding disorder', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., Mallory-Wesis syndrome "Mallory Weiss syndrome, characterized by acute upper gastrointestinal bleeding following repeated vomiting, is considered to be the cause up to 15% of all severe upper gastrointestinal bleeds".', 'role': 'assistant'}]