system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
A female patient has dysphagia, intermittent epigastric pain. On endoscopy, oesophagus was dilated above and narrow at the bottom. Treatment is(not related-surgery)
assistant
The correct answer is  .