This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Most common site of esophageal carcinoma? 
Select and explain. 
A. Middle 1/3rd of esophagus, B. Upper 2/3rd of esophagus, C. Lower 2/3rd of esophagus, D. Middle 2/3rd of esophagus
A: Middle 1/3rd of esophagus
Answer: A: Middle 1/3rd of esophagus 
Explanation: Answer- A. Middle 1/3rd of esophagus* Esophageal Carcinoma Most common site of ca esophagus is middle 1/3 of esophagus.