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
Buerger disease triad involves all except 
Select and explain. 
A. Raynaud’s Phenomenon, B. Thrombophlebitis of migratory superficial vein, C. Intermittent Claudication, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: None