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: Pathology
Phlegmon is 
Select and explain. 
A. STD, B. Type of cellulitis, C. Type of osteomyelitis, D. Veneral disease
B: Type of cellulitis
Answer: B: Type of cellulitis 
Explanation: None