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: Medicine
In syndrome X, patients have all of the following except - 
Select and explain. 
A. Angina like chest pain, B. Ischemic ST segment depression, C. Abnormal coronary arteriogram, D. Excellent prognosis
C: Abnormal coronary arteriogram
Answer: C: Abnormal coronary arteriogram 
Explanation: None