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
Malignant melanoma of the choroid with following histopathological features has got the worst prognosis: 
Select and explain. 
A. Epitheloid cell melanoma, B. Spindle - A melanoma, C. Spindle - B melanoma, D. Mixed cell melanoma
A: Epitheloid cell melanoma
Answer: A: Epitheloid cell melanoma 
Explanation: Ans. Epitheloid cell melanoma