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: Pharmacology
Cetuximab (an EGFR antagonist) can be used in ? 
Select and explain. 
A. Palliation in head and neck cancer, B. Anal canal ca, C. Gastric ca, D. Lung ca
A: Palliation in head and neck cancer
Answer: A: Palliation in head and neck cancer 
Explanation: Ans. is 'a' i.e., Palliation in head neck cancer Uses of Cetuximab Head and neck cancer Colorectal cancer