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
Which one of the following is not included in the treatment of malignant melanoma- 
Select and explain. 
A. Radiation, B. Surgical excision, C. Chemotherapy, D. Immunotherapy
A: Radiation
Answer: A: Radiation 
Explanation: None