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: Pathology
"HMB 45" is a marker for: 
Select and explain. 
A. Sarcoma, B. Melanoma, C. Carcinoma, D. None of the above
B: Melanoma
Answer: B: Melanoma 
Explanation: Melanoma