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
Which of the following is benign in nature 
Select and explain. 
A. Lymphoma, B. Lymphangioma, C. Melanoma, D. leukemia
B: Lymphangioma
Answer: B: Lymphangioma 
Explanation: None