This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: Surgery
[{'content': "Lower end Esophageal cancer can be treated by: \nSelect and explain. \nA. Ivor Lewis Approach, B. Mc keown's Approach, C. Only Chemotherapy, D. Chemoradiotherapy", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) Ivor Lewis approachRef: Bailey and Love 25th Edition, Page 1033The methods of treating lower end esophageal cancer by surgery can be by* Ivor lewis transthoracic radical two stage lymphadenectomy* Video Assisted Thoracoscopic Surgery (VATS) esophagectomy* Transhiatal esophagectomy of Orringer.', 'role': 'assistant'}]