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 65-year-old woman comes to the physician because of a 8-month history of worsening difficulties swallowing food and retrosternal chest discomfort. She reports that she sometimes has a feeling of “food getting stuck” in her throat and hears a “gurgling sound” from her throat while eating. She says that she occasionally coughs up pieces of undigested food. She has noticed a bad taste in her mouth and bad breath. She has not had fever or weight loss. She has been visiting Mexico every year for the past 7 years. She has Raynaud disease treated with nifedipine. Her father died because of gastric cancer. She had smoked one-half pack of cigarettes daily for 20 years but stopped 25 years ago. Vital signs are within normal limits. Physical examination shows no abnormalities. Her hemoglobin concentration is 14 g/dL, leukocyte count is 9800/mm3, and platelet count is 215,000/mm3. An ECG shows sinus rhythm with no evidence of ischemia. Which of the following is most likely to confirm the diagnosis?
assistant
Barium esophagram