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
Patient can present with pyoderma gangrenosum in 
Select and explain. 
A. Hodgkin's Lymphoma, B. Non-Hodgkin's Lymphoma, C. Mantle cell Lymphoma, D. MALToma
B: Non-Hodgkin's Lymphoma
Answer: B: Non-Hodgkin's Lymphoma 
Explanation: In Non-Hodgkin's Lymphoma, Pyoderma gangrenosum may be the presentation.