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: Dental
Stage 1 cutaneous T cell lymphoma treatment is – 
Select and explain. 
A. PUVA, B. Biological response modifiers, C. Systemic chemotherapy, D. Extracorporeal photopheresis
A: PUVA
Answer: A: PUVA 
Explanation: Treatment of mycosis fungoides (Cutaneous T-cell lymphoma).

Patch stage (stage I) : - Topical steroids, UVB, PUVA.
Plaque stage (stage II) : - Electron beam therapy, PUVA, Topical nitrogen mustard.
Tumor stage (stage III) : - Low dose radiation, chemotherapy.