This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
[{'content': 'Immunostimulant used for the treatment of malignant melanoma is: \nSelect and explain. \nA. Levamisol, B. BCG, C. Aldesleukin, D. Methotrexate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (Ref: Katzung 10/e p906) It is a recombinant IL-2 used for the treatment of renal cell carcinoma and maliguant melanoma.', 'role': 'assistant'}]