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: Ophthalmology
The most common histopathological type of malignant melanoma of choroid is: 
Select and explain. 
A. Spindle - A cell, B. Spindle-B cell, C. Epitheloid cell, D. Mixed cell
D: Mixed cell
Answer: D: Mixed cell 
Explanation: Ans. Mixed cell