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: Skin
Mycosis fungoides is a: 
Select and explain. 
A. Cutaneous T-cell lymphoma, B. T-cell and B-cell lymphoma, C. B cell Lymphoma, D. Derived from stem cell
A: Cutaneous T-cell lymphoma
Answer: A: Cutaneous T-cell lymphoma 
Explanation: Cutaneous T-cell lymphoma