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
A tender swelling in submandibular triangle is mostly likely diagnosed as 
Select and explain. 
A. Lymphadenopathy, B. Ludwig's angina, C. Phlegmon, D. None of the above
A: Lymphadenopathy
Answer: A: Lymphadenopathy 
Explanation: None