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
Least found type of Hodgkin's lymphoma is? 
Select and explain. 
A. Nodular sclerosis, B. Lymphocyte depleted, C. Lymphocyte rich, D. Nodular lymphocyte predominant
B: Lymphocyte depleted
Answer: B: Lymphocyte depleted 
Explanation: Nodular sclerosis 60-80%
Mixed cellularity 15-30%
Lymphocyte depleted <1%
Lymphocyte rich 5%
Nodular lymphocyte predominant 5%