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: Medicine
Which neo-adjuvant chemotherapy is used in Esophageal carcinoma 
Select and explain. 
A. Cisplatin, B. Cyclophosphamide, C. Doxorubicin, D. Methotrexate
A: Cisplatin
Answer: A: Cisplatin 
Explanation: Answer is A (Cisplatin): Chemotherapy for esophageal cancer has improved considerably with the advent of regimens containing Cisplatin. - Bailey The best responses are seen in Squamous cell carcinomas.