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
After oesophagectomy, best substitute of oesophagus is : 
Select and explain. 
A. Stomach, B. Jejunum, C. Left colon, D. Rt colon.
A: Stomach
Answer: A: Stomach 
Explanation: Ans is 'a' ie Stomach "After a portion of esophagus is removed or after complete esophagectomy, a conduit must be established for alimentary continuity. The stomach, colon and jejunum have all been successfully used as esophageal substitutes, but the stomach appears to be the conduit of choice because of ease in mobilization and its ample vascular supply." - Sabiston, 17/e, p 1136 (16/e, p744)Maingot's writes - "The stomach is the most widely used and preferred organ for esophageal replacement after esophagectomy for cancer."