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
Marker for malignant melanoma is - 
Select and explain. 
A. Cytokeratin, B. MBN- 45, C. Alpha FP, D. S 100
D: S 100
Answer: D: S 100 
Explanation: Tumor markers for malignant melanoma → S - 100, TA - 90.
These two markers can be used to look for the spread of melanoma.