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 48-year-old Caucasian woman presents to her primary care provider complaining about difficulties while swallowing with fatigability and occasional palpitations for the past few weeks. Her personal history is relevant for bariatric surgery a year ago and a long list of allergies which includes peanuts, penicillin, and milk protein. Physical examination is unremarkable except for pale skin and mucosal surfaces, koilonychia, and glossitis. Which of the following descriptions would you expect to find in an endoscopy?
assistant
Luminal eccentric membranes