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
[{'content': 'Stage 1 cutaneous T cell lymphoma treatment is – \nSelect and explain. \nA. PUVA, B. Biological response modifiers, C. Systemic chemotherapy, D. Extracorporeal photopheresis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Treatment of mycosis fungoides (Cutaneous T-cell lymphoma).\n\nPatch stage (stage I) : - Topical steroids, UVB, PUVA.\nPlaque stage (stage II) : - Electron beam therapy, PUVA, Topical nitrogen mustard.\nTumor stage (stage III) : - Low dose radiation, chemotherapy.', 'role': 'assistant'}]