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
Actinomycosis most commonly affects 
Select and explain. 
A. Thorax, B. Facio - cervical region, C. Liver, D. Pelvis
B: Facio - cervical region
Answer: B: Facio - cervical region 
Explanation: Facio - cervical Actinomycosis is most common type.