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
A 30year old patient with radiographic appearance of endosteal bone formation, sclerosed bone is likely to be suffered from: 
Select and explain. 
A. Garre's Osteomyelitis., B. Chronic focal sclerosing Osteomyelitis., C. Acute Osteomyelitis., D. Chronic Osteomyelitis.
B: Chronic focal sclerosing Osteomyelitis.
Answer: B: Chronic focal sclerosing Osteomyelitis. 
Explanation: None