This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Esophagus, Subject name: Surgery
[{'content': 'Feline esophagus is seen in: \nSelect and explain. \nA. Eosinophilic esophagitis, B. Radiation esophagitis, C. GERD, D. Carcinoma esophagus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: - Feline esophagus is seen in both Eosinophilic Esophagitis>GERD. It is characteristic of Eosinophilic esophagitis so it serves as a better answer. - Eosinophilic Esophagitis: A barium swallow should be the first test obtained in the patient with dysphagia EE has a characterised finding often called the "Ringed esophagus" or the "feline esophagus" as the esophagus rings are felt to look like the strips on a housecat. The endoscopic appearance of EE is also characteristic and the appears as a series of rings. Feline Esophagus-BARIUM SWALLOW Normal Esophagus', 'role': 'assistant'}]